The F4 and F22 fault codes were triggered by a simple blockage that was quick and easy to resolve. For water to circulate correctly, a constant pressure needs to be maintained. You may be guided through the fault finding sequence or steps, for rectifying your boiler with this fault … Cyclng through the menu I also see S98 S.98 Flow / Return - sensor check is running, demand Glow-worm F11, F12, F13 & F14 fault code failure problems occur unfortunately, on a small number of 24, 30 & 38, CXI, HXI & SXI combi or system boilers. From reading the manual it appears to be an ignition fault, I have tried to reset numerous times with the power and + button to no avail. glow-worm flexicom 15hx boiler. The Problem With My Boiler. As we mentioned in the section about reducing water pressure, you can remove air locks from radiators and towel rails via the bleed valve. Go and check the condensate drainage pipe, they often get blocked and the water backs up into the boiler, flooding the system. The pump is another culprit when it comes to leaks. The boiler may work for 1-2 minutes, until the printed circuit board (PCB) determines that the fault still exists. When boiler pressure is too low, many components will have to work overtime, wearing out more quickly than they should. And, that’s going to mean in the long-term, expensive repair bills. When it does, this is going to lead to a leak. You can learn more about cookies and how to control or delete them here. Once this hissing noise stops, water will start to drain from the valve. Typically, we’d expect a replacement pump from a top brand like Grundfos, to cost around £250. Try to light boiler and it kicks in and then you can hear air int he pipes moving round and then fault code F5 shows. If you see Glow worm fault code f22, use this troubleshooting guide to detect and eliminate the problem. If you are wanting to find out more about what this may mean then this page will be able to help you. The table has fault codes, description of problem, possible cause and suitable solution. You can melt a frozen condensate pipe by gently pouring warm water over it. Welcome to the fault-codes section of this site. But, if the boiler worked fine prior to the fault, then suddenly locked out due to low pressure, there’s a chance that the cause is a leak. As this was the first time I’ve seen any errors, I pressed the reset button and restarted the boiler, all seemed well for about 10 minutes. What the fault code does do, is allow your boiler engineer to narrow down the problem (in this case, to parts that relate to water circulation and temperature), to make the fault-finding process faster than starting with no prior knowledge of the fault. If they’re not working correctly, it can lead to boiler pressure being too high, or in this case, too low. The Glow-Worm fault code F.22 relates to low water pressure and here we have Q & A or require an engineer for an emergency boiler repair. I’m pleased to report that the issue has been resolved, no more F4 and F22 fault codes and the boiler is running smoothly again. How do leaks occur, and how can they be fixed? The problem with leaks, is that the fault is rarely limited to the leak itself. This is such a common issue during the winter that British Gas created a helpful video explaining how to thaw a condensate pipe: If the pipe keeps freezing again and again, you could ask a plumber if its possible to redirect the pipe into an internal waste pipe, ie under a sink. Below are 2 tables, thanks to which you can not only determine the cause of the problem, but in some cases you could fix the problem yourself. For those of you not in the know, here’s what those two fault codes mean: F22 – Low water pressure or ignition temperature rate rise too slow. Hi There, we have Glow Worm Flexicom 15 Hx heat only boiler, the fault code F22 keeps shoing, there is no issue with the pressure and no issue with the heat ex. Fault code f6. EPHG LIMITED © 2016 to 2020 © All Rights Reserved. If you can’t find the drain cock, you can bleed radiators of water, and this will drop the boiler’s pressure. By browsing our site, you agree to their use. Glow Worm Fault Code F11 wire loose, faulty or trapped. Once your boiler drops below 0.5 bar, it’s likely to lock out. Fault … A system with low water pressure, or the possibility of water temperature rise not being enough, is going to have a circulation issue. My boiler engineer thinks it’s the pressure release valve or expansion vessel causing the problem, could this be right. If there’s no water leak in the heating system, it’s likely re-pressurising the expansion vessel, or replacing the pressure release valve, is going to fix the F.22 fault code. My boiler’s pressure is below 0.5 bar, is there a DIY fix? janbee | 07:38 Sat 29th ... the boiler sometimes flashes an F22 fault. If not, expect the boiler repair company to suggest a replacement. Is there a DIY fix to repair leaks in my heating system? Fixed by bleeding air from system make sure you run the boiler with ch and how on as it seems to help. The heat exchanger is extremely fragile. Water and electrical parts don’t mix, and your Glow-Worm boiler is full of electrical components. There’s a small chance that the engineer forgot to top up the boiler’s pressure when they last worked on it. They can check the boiler’s pressure gauge as you release water from the radiators, telling you when the pressure gauge reaches 1.3 bar. Also, as the issue was outside of the gas boiler, there was no need to get a Gas Safe registered engineer to fix it. Data & Cookies About Us Contacting Us Disclaimer. Many Glow-Worm faults can be fixed quickly and easily. Continued operation would likely damage both components, adding to the existing cost of repair. Many times, a simple replacement component can be fitted and the problem is fixed, giving you an extra couple of years before you need a new boiler. Glow Worm Fault Codes. I’ve topped up my boiler with too much pressure, what do I do now? If you would like to get a quote for repairing or replacing a boiler from our preferred partner, hit the button below and fill out the form, it only takes a few moments to get the ball rolling. Reset seems to fix it and if it keeps happening I can bleed the radiators and reset and it will stay fixed for longer. Become informed about tradesman's prices and use our guide as a starting point. It was throwing fault codes f11, f22, and f25. In the case of the pump, it’s likely that the seals have blown. What is the F9 Fault Code on the Glow Worm Boiler. Open the valve, until water pressure on your boiler drops to 1.3 bar. There are products available such as Fernox F4, which is a leak sealer for central heating systems. If your Glow-Worm Energy boiler is showing the F.22 fault code on the display panel, it means that your heating system has low water pressure. I checked the boiler and first noticed the F4 error code. If you’ve no idea what a condensate pipe looks like, here’s a photo: Here’s another photo, this one shows the pipework under my sink. Realistically, they could fix the leak completely. The Glow-worm F28 error code means that the boiler has failed to ignite. However, it’s likely the boiler’s pressure has been too high, or there’s been a heating sludge blockage in the pump, causing it to strain. Glowworm System 38 - space saver boiler B/F? You’ll also need someone to help you. Had F22 on my glow worm It was down to an air block but worth cleaning the float out as my float was full of rubbish. What should I do if my pump is blocked full of heating sludge? 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