Message 2 of 7. Essentially our rule book tells us to avoid working in lofts at all costs. If using a connection over copper, all four ports are available for LAN use. g. 2. It is common for some problems to be reported throughout the day. You can also see our report for the previous year. The fibre optic link to BT exchange is working and recognises your Openreach fibre modem. 0800 023 2023. I have no lights on my Powerline Adapters or BT Mini Connectors. The ONT will remain the property of Openreach in both installation scenarios. All you will need to do is connect the yellow "Port 1" on the OpenReach ONT to the red "WAN port" on the WiFi router that we will supply you with. Everything’s normal. The importance of PIA came to the limelight post the European. For Governmental guidance, check out PAS: 2016 Next Generation Access for new Build. Openreach out again – no fault found – new NTE5C + Mk4. The eero 6 is designed as a mesh networking system so you can. It should clear within 24 hours or less, as the batteries charge up again. Phone still ok. I took a 1Gig Openreach FTTP package from a local alt-net earlier this year and it went. BT outages reported in the last 24 hours. . Disconnecting the modem's power cable - wait a few minutes & then reconnect. 1 stage install – between 9 and 18 working days, depending on availability. Once the phone is working there is a dial tone and any calls made to the number cause the phone to ring (as you would expect!). With Openreach, CityFibre etc you have an ONT in your house that converts to an RJ45 cable, it's still the premises regardless of which side of the wall the converter is on. The Openreach ONT sits in an enclosure providing space to manage the wiring, keeping everything neat and tidy. FTTP is often termed ‘full fibre’ or ‘Gigabit broadband’. It sound like the power unit has failed, there have been a few similar reports. Openreach battery back-up unit. The eagle eyed may spot a problem here-we only have one port on the ONT!. Openreach ONT is communicating with the BT Exchange. The Calix Gigapoint 801G is the main ONT used in installs up to and during 2023. Is it possible to replace the Eero as it's just a router with something running openwrt? Or will I have to have the ONT + Eero + openwrt router? Was thinking of the new R5S as there's no rpi4 available. Caporegime. Registered: 16-10-2015. The Openreach ONT is part of the service and as far as I am aware cannot be replaced with your own kit. Openreach has said it has successfully completed a test of a next-gen fibre technology that promises to more than double maximum network speeds. 44 0 objA while ago it appeared to be very stuttery as you say. 28K views 2 years ago Fault Fix / Diagnostics. An Ethernet cable (connected to the ‘PORT’ terminal on the ONT modem) is used to connect a hub or router. The Openreach ONT doesn't have a modem/router mode. Ultrafast Full Fibre broadband will service your needs for decades to come. 1 Gbps up. Part of the reason for this is that it was only ever really needed for phone services, and it thus makes less sense now that Openreach will. ”. They will decide if one of their engineers can do the job or whether it needs to be done by Openreach. Thursday evening ONT mounted by OpenReach engineer fall off the wall, as he did stick it to the wall with. if they want to do away with sky router and use deco in router mode. Not sure on responsibility for replacing as openreach no longer supply the ont with aHello, Thursday evening ONT mounted by OpenReach engineer fall off the wall, as he did stick it to the wall with double sided tape. The BBU is no longer fitted to new installs as it was only there to provide power for FVA. This is a GPON device, and can support speeds up to 1Gb/s. Openreach plans to have 20 million locations. #1. Ok I think of the next alternative way, to avoid problems with a fiber cable I can't test before openreach would connect up in 1 or 3 years. Some 3 million customers have also been connected (up from 2. When conducted, the test essentially reroutes your line from the ISP’s switch in the handover exchange. It’s not very common to provision FTTP using an SFP-style ONT module. I am wanting the fibre to feed the Openreach supplied ONT into my router, which is in the understairs cupboard. e. The FTTP installers never mentioned what to do should an issue arise. This has been setup by connecting the sky router to the ADSL port, disabling WIFI on the sky router, and connecting an ethernet cable from the sky router to a Deco M4, which then connects to other Deco M4 throughout the house; this worked well when I was on. OK - thanks everyone for your replies. Openreach Fax. Broadband. House is powered via a Tesla Power Walls, 6 of them in total. Network access provider Openreach has notified UK broadband ISPs about a new Complex to Fibre (C2F) trial, which could result in some copper-line based customers being given a Fibre-to-the-Premises service in situations where it’s available and repairing the existing copper line would be too complex / costly. 1 stage install – between 9 and 18 working days, depending on availability. While the provision of internal wiring beyond the Openreach ONT is the responsibility of the developer, you can contract an Openreach engineer to do this work for you. Openreach have now undertaken 1st and 2nd Stage installation of 1. Push Openreach to resolve the database / addressing issue then you should be able to order - this is the sticking point. I don't have the documentation to hand, but IIRC the ONT requres something like 7. Your ONT is connecting. Power cycle method two: Press the Reset button on the side of the Openreach modem and hold it in for five seconds. g. This chart shows a view of problem reports submitted in the past 24 hours compared to the typical volume of reports by time of day. That’s why there are already more than 150 million of. Power off (then back on) your BT OpenReach modem so as to ensure best possible sync speed. Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi) BT Halo 3+ Ultrafast FTTP (500Mbs), BT. matt100. This person could be from your own provider or Openreach. How do we install Hyperoptic in your home? Our engineer will drill a small hole (10mm), in most cases above your front door, and will run a discreet, surface-mounted cable inside your property to the closest plug socket. 2Gbps and 1. You. For all other broadband plans, you can use a non-Vodafone router, but it needs to be one that's approved by Openreach. 0 Ratings Reply. Nokia G-010G-Q ONT Template. Providing fibre from OCR, Agg, Splitter, CBT to ONT. Call us for technical help: 08702 408 377 Monday-Friday 09:00-17:00 . Their job is to keep your Openreach modem working if there's. We can: move, remove or relocate our telegraph poles, manholes, joint boxes, green cabinets, underground ducts and overhead cables to accommodate your construction. Your options. . * Wide range 90-264 volt input for world use. Installations of Openreach’s Fibre-to-the-Premises based UK ultrafast broadband ISP technology will soon begin seeing a new Optical Network Unit (ONT), which is not only very compact (pictured top) but also comes in at a third of the cost of the existing unit. You can't get relocation kits from Openreach though - it's also not *that* expensive to pay them to come and move all the cabling for you if you want it. If interested, please contact your local customer network The test itself appears to be a throughput speed test, which examines the link between the Optical Network Terminal (ONT) inside your home (example pictured) and a special tester in the Openreach network (i. Then just follow our step-by-step guide to install your broadband yourself. It should clear within 24 hours or less, as the batteries charge up again. Turn your broadband equipment off and then on again. It’s far more typical to have a separate ONT with a non-removable built-in optical interface and a copper RJ45 Ethernet port and a separate router (the Openreach and CityFibre and some AltNets deploy this model) or a single combined ONT/router (many AltNet providers). We connect the 15cm x 13cm external junction box to the Openreach fibre network using a fibre optic cable. Please also take a look at theYou can contact Openreach to report damage to our network or raise any health & safety problems, such as: damaged underground cables (often caused by mechanical diggers in built-up areas) loose cables or cables dangling from telephone poles. This is used for most of the 160M and 1G services. Ask the BT Community. End to end provision of OH & UG FTTP network. The ONT will be installed at this location unless an alternative position has been agreed with your FBC and the appropriate connectorised internal fibre cable run in a continuous fault-free length to the alternative position. Re: Openreach has no connection. Broadband ISPs that were planning to launch faster packages based off Openreach’s future Fibre-to-the-Premises tiers, which push top download speeds to 1. BT outages reported in the last 24 hours. On the UBNT forum there are multiple reports of successful usage of their ONT device on FTTH connections in other countries (Spain, Eastern Europe etc) so I was interested in the technical ability of it to work in the UK on the Openreach network. Battery Backup Unit (BBU) – If the power supply fails the BBU will provide internet and emergency phone services for a. When we set up your phone service over fibre, we'll give you a battery back-up unit and a set of four rechargeable batteries. However if Openreach is unable to update the records or the template was not used then the appointment will go. ClixRapidix. Broadband & phone. We will probably go for a 500mbps package. e. You’ll still be able to use a mobile phone, just make sure you keep it charged at all times. Checking your ONT Lights. I'm looking for a Nokia G-010G-Q ONT template if anyone can provide a link to one. appropriate Openreach access product if used to deliver the end to end 21CN Optical service. Past attempts to resolve this issue (e. *Unthrottled, with Free Router & Installation. The ONT will be installed at this location unless an alternative position has been agreed with your FBC and the appropriate connectorised internal fibre cable run in a continuous fault-free length to the alternative position. It’s just a 40/10 FTTP service supplied by Aquiss via Openreach back in August – I don’t absolutely need hyperfast speeds for my own needs, but I joined Aquiss as they had a six month 1/2 price offer, offered directly a 40/10 profile & had a 12 month only contract – the last two a combo I seen no. Download an entire 4K movie in under 24 minutes and make broken video calls a thing of the past thanks to incredible download speeds of up to 80Mbps and upload speeds of up to 20Mbps. Press and release the Reset button on the back of the Business Hub. Here’s a handy guide to what the lights mean. If you own the tree, and it damages the line, then you could be liable for the cost, and asked to remove any obstructions. If you’re using wi-fi, try a couple of devices to make sure it’s a problem with the connection and not the device itself. • Openreach Access Products: these provide connectivity from the Ciena 6500 opticalI’ve an Openreach FTTP connection in rural Co. Line dropped again to 2-3 mbps with multiple drops per day – plusnet texted to me say fault detected. Re: BT FTTP and ONT modem problem. Openreach is the company that owns, operates and maintains the UK's phone and broadband line. We’ll remotely activate a port on the ONT. Section 3: Connect using a PPPoE connection. My FTTP has been down for 8 days, red LOS light on the ONT. Learn about Full Fibre. Find out about any planned maintenance work or known network issues that may be affecting services in your local area within the UK. 3. New MPF LLU connections have increased by 22p, from £24. If you’re still having problems try restarting your device. If the problem can’t be fixed online you'll be able to arrange an engineer visit. You need to ensure the mains plug remains connected whenever people are likely to need access to broadband. B. Here’s a handy guide to what the lights mean. As you can see there are 4 lights at the top of the OpenReach Full Fibre modem – Power, LOS (Loss of Service or Loss of Signal), PON (Passive Optical Network) and LAN (Local Area. If you’ve got one of these, try these checks. Wait for the power light to come on and stop flashing. So even if you already have an ONT from Openreach, then those who order one of these faster tiers will require another engineer visit to put the new. To report any of the following, please call us on 0800 023 2023. Re: FTTP Issue - 'you have told us your fault was fixed'. 1 Rating. The wifi equipment is supplied by Ogi and will be installed by the Openreach Crew. Openreach will update the records and pass the fault back to check with End User to confirm Service. In fact I left it switched off overnight and switched it on again this morning but the red light is still showing. If its still red after a couple of days, then you will need to replace the rechargeable batteries inside. 4 Dec 2021 at 16:27 #3 matt100. Openreach Northern Ireland Annual Review 2020/2021 2 Openreach Northern Ireland Annual Review 2020/2021 3 4-5 A message from our Director, Garret Kavanagh 6-7 The Year in Numbers. 5 watts. Make sure the power cable is connected to your Hub and the power socket. ONT stands for Optical Network Terminal, sometimes (mistakenly) called an openreach modem. Re: OpenReach white box shows Fault light and getting Wifi issues. . Then just follow our step-by-step guide to install your broadband yourself. Since then this. NOTE: Openreach aims to cover 4. If you are provided with the eero 6 package then the eero 6 is the gateway router connected to the ONT via a Cat5e Ethernet cable supplied with the ONT. There is a 4 pair CAT5e cable supplied with the Openreach ONT so the OP either had the wrong cable or a faulty one. Here’s a handy guide to what the lights mean. So I unplugged it to make it easier for the plumber to weld the hole in the gas pipe. No I haven't. LOS: Off: You have a working fibre connection: LOS: On: You have a fibre connection issue – check the fibre connection in the bottom of the ONT. The original pilot started on 1st December 2022 and. Did you try a factory reset by pressing the recessed button on back and holding 20/30 secs until hub lights flash and see if that helps. POWER. For more information about how the ONT works, Openreach has published a homeowners guide on their website. This suggest that the original plan was for a two-visit install. I pushed Sky to contact. That isn't surprising: you're not their customer. The fibre optic cable will pass through a hole in the wall and connect to the Openreach ONT mounted on an internal wall. Network operator Openreach ( BT) has officially confirmed that their £15bn rollout of gigabit-capable Fibre-to-the-Premises ( FTTP) based broadband ISP technology has today reached the milestone of 10 million premises passed (up from 9. Understanding the Lights on an FTTP Modem (ONT) Last updated on 9th August, 2023 by Freeola Support 5 out of 5 people found this article useful. Get in touch if you'd like us to call. An Openreach engineer visited on the 2nd day and said the fault was between the pole and the exchange. Ideally, when the router is connected to the ONT, you'd go to the router's web interface and ask *it* whether the WAN port is running at 1G or 100M. Wait until light turns green, or turns off completely. The Ethernet cable (red ends) must be plugged into the WAN port (or port 4) on your Hub and the other end into the Openreach modem's PORT1/LAN1 port - the number of ports on these modems can vary. If you don’t have a mobile phone or are in an area with no mobile signal, please contact us on 0330 1234 150. Only 1 issue: the connection to the modem is a little loose as the one on this device. Posts: 2 Registered: 27-02-2021 Fttp ONT showing red fault light 27-02-2021 10:07 AM I have fibre to the premises. Web: Openreach. Please can you help. 2 Gbps down, 1. • Turn the power off for the Openreach modem and the router, then turn it back on and wait five minutes while it reconnects. If you've got Fibre, you should also make sure that your router is set to Fibre mode. Openreach came and installed an ONT FTTP box to the property. Wait about 5 minutes for the ONT’s internal cache to clear. However, the ONT isn't secure - it hangs on two screws to allow easy install / removal. The crooks claim they can upgrade or test the recipient’s Internet speed, or that the recipient’s Internet will be disconnected due to “illegal activity”. Following pressure from MPs. This is used for most of the 160M and 1G services. Generally, engineers can be quite flexible. Vertical Position This is the missing info, I know the screws. Putting another Ethernet cable from the ONT to the houses internal Ethernet point, then from the other end of the point the red ended cable from the Ethernet point to the SH WAN port and there’s no internet. With Full Fibre installation, we'll upgrade the master phone socket (the white box on the wall) and install an Openreach modem (ONT), which connects to the fibre optical cable that comes into your house. Step 1: Check your Hub. The Huawei ones usually always have a sticker with the Serial Number on the front, it’ll begin with SN then a long series of numbers, usually the first batch of numbers end 443. We are due to move house soon, the new house is on a 4 year old estate which is fully fttp. LOS: Off:. Sky Broadband Loss of Service: FTTP Openreach ONT Showing Red Light Against LOS. Caged. As for the. No setup or configuration is required - everything has. the ONT will be positioned adjacent to the outside wall) to which the. The ONT has power: Power: Off: There is no power to the ONT. e. Los light red on ONT fttp. Last year saw Openreach select ADTRAN’s Software-Defined (SD) Fibre Access Platform to help support the rollout of their new 1Gbps Fibre-to-the-Premises broadband ISP network (), making them the operator’s 3rd strategic supplier. Is your property a new build or is it a property that has had a fibre network overlaid on top of an existing copper network ? Generally, the PON light flashing means that the light from the OLT ( the headend ) is present, but the ONT isn’t being authenticated, this could be various things but if you are being told it’s a network distribution, that implies that faulty equipment has been. Registered: 20-04-2016. We’ll remotely activate a port on the ONT. Re: Openreach supplied dodgy 100Mbps-limited Ethernet cableI've looked up the OPENREACH ONT device (Nokia modem) and it appears to be just a modem. The lights on the BT Hub tell you what's going on with different functions and whether there are any problems. I sent this email on to a contact in the Openreach media team at 11am, and. Openreach Phone Number 1. Message 5 of 18. If someone answers your question correctly please let other. With FTTP, fibre-optic cables are used all the way. If you find that the Optical Light on your Lightstream Fibre ONT (Optical Network Terminal) box is flashing, has gone off or has gone red, this means there may be an issue with the fibre connection coming into your. • Please note –The appointment allows the fault to be raised with Openreach so that Openreach Helpdesk can update the ONT Records. The Echolife HG8110-20 (single port with BBU) can be powered directly (12v 1 amp) from the plug in transformer or via the BBU (12v 1. Get our superfast unlimited fibre broadband. L2S in the handover exchange). g. Find useful FAQs to help you if you have a query about a broadband fault. In homes with a FTTP broadband connection from Openreach, you’ll have an Openreach modem inside your home. is it on Openreach ’s side or not). Find out about our activities and financial performance in the most recent Openreach annual review and report. Choose a category. This is so your engineer can secure their ladders and work safely. When installing an ONT device, it usually needs to be plugged into a Ground Fault Circuit Interrupter (or GFCI) electrical outlet (those outlets with the test and reset buttons). . But this is about to stop. After a few more minutes the Power light should come on. Its lights should all glow a steady green. Section 5: Using BT test credentials. Openreach installs their new small ONT modem (no. L2S in the handover exchange). Make sure the power cable is connected to your Hub and the power socket. My router from BT has four LAN ports on the back and one is dual purpose. The engineers bring along the ONT/NTE and an Eero router, string some Cat6 network cable betwixt the two, and you're done. To use a non-Vodafone router, you’ll need to contact us for your broadband username and password. Message 1 of 10. It was only ever to provide a Power Back Up for the Fibre Voice Access Service in the event of a Power Cut. Checking the other end of the Ethernet cable is correctly plugged into the LAN1 socket on the Openreach modem. When we set up your phone service over fibre, we'll give you a battery back-up unit and a set of four rechargeable batteries. As you say, transformers are fairly inefficient - but for as long as I can remember now, just about all mains powered electronic equipment uses Switched Mode. When I arrived home from work last night I noticed that there was no Internet available at home and there was a red light showing for the LOS indicator on the ONT. Thats why it always makes me laugh when I see people buying ONT’s on places like eBay. TV. Just type your postcode into our fibre checker and choose your address to find out. Activate the batteries - pull the plastic tab away from the handset. Re: Ont power cable. Could someone who is familiar with FTTP and the Openreach ONT please confirm that if the LOS light on the ONT is red then there is a fault somewhere in the network, or the optical cabling, or the actual ONT itself, and that this red light doesn't indicate a fault in my ethernet cable that leaves the ONT to the WAN. "The fibre cable from the CSP to the ONT is designed mainly for internal use, so it is preferable to keep any external run of that as short as possible. After he left, I replugged the modem, and reconnected it to my router. * Compact size and light weight. Were on a 35mbps line. The ONT has power: Power: Off: There is no power to the ONT. Further more zen have recently stopped their g. However, since 2017 it runs as a separate company, although one that’s still a subsidiary of BT group. Fibre optic link to BT Exchange is working and recognises your Openreach ONT. 1. our products and services. Restarting your Business Hub: 1. BT) force you to use their kit and I should stay away?Optical Network Terminal (ONT) and then connect the ONT to your wifi router. Huawei ONT. You'll need to log the fault with Sky: they will probably book Openreach to replace the. Dedicated leased line, just for your business. Nevertheless, I bought an expensive replacement router, installed it. Product information. Wait until light turns solid green. Internet connection dropped so I ran through the Sky helth check. Just click on this link to view the Premitel Fibre Termination Point. Openreach Optical Network Termination (ONT) and enclosure The ONT is the Openreach demarcation point. 00, in lengths of up to 30 metres with longer cable lengths available to order. The trial, conducted at an Openreach testing facility in Ipswich, aimed to determine whether the new type of passive optical network (PON), dubbed 25G PON, can work seamlessly. Openreach have finished fibre install to my street so looking to change from VirginMedia. It may look like one of these. 8m come September 2021 and then 20m by around 2025-30. Only a single • Fit RJ45 modular boxes. This white box connects to a fibre-optic cable that runs to your house and enables you to access our FTTP fibre network for broadband. The ONT is the small box our engineer installed inside your home when we set up your service. #3. Technical Specifications. 18 REPLIES 18. Even if they use standard commands does the 3rd party ONT even support all the features etc. Openreach has also raised the cost of renting a copper MPF LLU line (used for both phone and broadband connections), which will rise by 79p from £85. Still need help? If you’ve followed all the steps in this guide and are still having trouble, we’ll help! Call us on 0333 777 0777 or go to uw. Yes, (but not the RJ11 port) the ONT should connect to the internet/WAN port on the router. Help reporting and fixing landline problems online. It sounds like a database / addressing issue. That's why our purpose is as simple as it is ambitious: we connect for good. 5 amp) passthrough lead. We’ll remotely activate a port on the ONT. As you can see there are 4 lights at the top of the OpenReach Full Fibre modem – Power, LOS (Loss of Service or Loss of Signal), PON (Passive Optical Network) and LAN (Local Area. 0 Gbps full fibre capability to my house. The ONT will remain the property of Openreach in both installation scenarios. Were not getting consistent wifi coverage and the speeds vary. Don’t operators’ supply battery backup? Some FTTP homes were originally installed with Battery Backup Units (BBU) alongside the ONT, although Openreach stopped doing this by default in 2018 (i. You can't contact Openreach directly. 5 million UK premises with FTTP by March 2021 (current build rate of c. More recently referred to as CST provision or CST repair. If you’re an FTTP customer, it’s likely you’ll have an Openreach modem (otherwise known as an ONT) installed. There can be a charge but Sky will explain that if it applies. If you see someone vandalising our network or stealing cables, please don’t try to stop them yourself. Openreach out again – no fault found – new NTE5C + Mk4. The BT fibre hub ONT is showing as powered up but the LOS light is on indicating a fibre connection issue. First agree with your engineer where the FTTP connection will enter your premises. Openreach Optical Network Termination (ONT) and enclosure The ONT is the Openreach demarcation point. If they do charge, they should tell you when you might be expected to pay and how much (for example if the fault is found to be with your equipment). As expect, CityFibre has today announced that they’ve officially made a new 2. Get Superfast, reliable fibre deals starting from R299 per month. 22-11-2019 12:16 PM. Thanks: 20. damaged or vandalised green cabinets, including graffiti, or unattended cabinets with open doors. Could someone who is familiar with FTTP and the Openreach ONT please confirm that if the LOS light on the ONT is red then there is a fault somewhere in the network, or the optical cabling, or the actual ONT itself, and that this red light doesn't indicate a fault in my ethernet cable that leaves the ONT to the WAN. There are four LEDs on the CityFibre ONT: Power - can be Green/Red/Amber. PON flashing and LOS off. Sep 21, 2022. Ask for a different face plate with phone and RJ11 socket as above i. Downdetector only reports an incident when the number of problem reports is significantly higher than the. This is of the form of a name followed by @, a realm, a dot then a single digit number. Just click on the icon in the bottom right corner of the screen to get started and select the option for ‘others’ and then select ‘contact us’ to get started. So I have 500mbs fttp with talktalk in the UK and they provide an Eero 6 Pro which plugs into the openreach ONT. The original pilot started on 1st December. With some vendors using other manufacturers ONTs needs extra licences. You can do one of 2 things, put the Orbi in access point mode (if it has one) or connect it's WAN port to the BT hub and live with double natting. Print these instructions. This white box connects to a fibre-optic cable that runs to your house and enables you to access our FTTP fibre network for broadband and voice. With Full Fibre you’ll be able to stream 8k TVPower up - unpack your Digital Voice handset and connect the power cable to the back of the charger base. High Level BT complaints phone number 0800 3289393. Zen appealed Openreach’s decision but today Openreach came back again yesterday echoing what they said before. Message 3 of 10. Check your router setup. Seems like either plug or box itself is the issue. PON flashing / LOS off. Press and release the Reset button on the back of the Business Hub. Wire a new connection from inside the 5C for broadband, assuming it is filtered inside the back plate. 2Gbps and 1. From the front of the house there is the downstairs. For external faults on the Openreach network phone BT Faults. The new overhead double cable includes a FTTC copper wire cable and a FTTP fibre optic cable. PON: Off Re: Fault Light on Openreach Fibre to the Premises Box. At present existing speed tests can be setup in. g. Today the first live subscriber has been connected via this platform. The power supply in to the BBU can go straight in to the ONT, swap it in and see if that brings the ONT back to life. You pay line rental so Openreach are responsible for the line from the exchange up to and including the Master Socket. I checked my kit, power cycled the ONT, still down. The following table excludes some of the more expensive business focused providers (e. BT is one of the UK's largest. Edit: that's assuming it's an FTTP connection. Use our online guides or contact us for help. Re: OpenReach white box shows Fault light and getting Wifi issues If you have the older style ONT with a battery backup for when Openreach provided the now defunct FVA ( fibre voice access ) the batteries are probably no good and the fault light is indicating this rather than a LOS fault light on the ONT itself, if you had a LOS fault on. Fantastically fast.