It’s the PCB that receives signals from a range of sensors, and then gives commands for different boiler parts to start or stop operating, or to adjust during operation. When your boiler fires up, the NTC thermistors should detect a substantial change in the temperature of flow and return water. Use the filling link or loop. Apparently it happens also on heating but not as often and while there, I didn't test it long enough on heating to find out. Is my boiler dangerous? Just a bit of background information for you: I had problems with my heating last year with low pressure and recharged the expansion vessel which solved the problem. Rob But now the pressure keeps creeping up. Welcome to the Digital Spy forums. View and Download Glow-worm ENERGY 25c installation and maintenance instructions manual online. VAT Inc. VAT. I have a combi boiler Potterton Performa HE. Working Hours . Having trouble? Discussion in 'Plumbing and Central Heating' started by LindfieldJames, 1 Jun 2020. Collect in Branch FREE Reserve & Collect in-branch Delivery Normally available in 1-2 working days Image shown for illustration purposes only. Boiler pressure recently dropped and boiler shut down Increased pressure as indicated to 1.0 bar (with heating off). Mine doesn't - … The system gas boiler is an ideal support solution for solar hot water systems. Ive tried bleeding the system, pressure drops while im in the process but the it rises again once i seal it all off. I went to increase the bar pressure because it was to low at 0.7 bar, turned the nob up to 1.5 but the pressure carried on going up to 2.5. The whole system started making a groaning noise and water pouring out of the overflow pipe that leads outside. The F.29 fault code on Glow-Worm boilers is displayed when there’s an instance of flame loss during operation. All Rights Reserved. Same result pressure goes back up once closed. Glow-worm are supporting National Health Service workers who have valid ID with 25% discount for repairs on Glow-worm boilers until 31st December. Rob. The pressure is steadily increasing by about 0.1 bar per 12 hours but consistently and it's been turned off for a month now as it's summer. This size variety offers a home heating solution for a large majority of homes throughout Ireland. Any alteration not approved by Glow-worm, could invalidate the certification, boiler warranty and may also infringe the current issue of the statutory requirements. I have a Glow worm ultracom 30 cxi combi boiler with a suspected faulty PRV. However, in general, you’ll be doing the following: Turn off your boiler and wait for the system to cool. The UK is still one of the strongest markets for new boilers in Europe and with over 1.6million boilers sold every year there is all the more reason to choose the best brand that suits your needs. Can anyone tell me how to reduce the pressure, as i cant fine anything in the instruction manual. Since refitting the radiators and topping up the system back to 1.0 bar there's an issue with the boiler (Glow worm 30cxi) - even with the blue filling tap closed tight, the pressure gradually increased to what I assume was >3.0 bar then the pressure release valve discharged loads of water. Last night my bird discovered it was reading only 0.6 bars and it states on the housing that i … PROBLEMS WITH MIXER TAP, SHOWER RUNS HOT THEN FREEZING COLD. ©2020 Hearst UK is the trading name of the National Magazine Company Ltd, 30 Panton Street, Leicester Square, London, SW1Y 4AJ. Part: Low Water Pressure Switch. Boiler pressure high - Glow Worm 30ci. If the boiler pressure falls below 1, you’ll need to top up your system. Are you sure you have the knob closed and it's not still open? the boiler unless approved, in writing, by Glow-worm. Your Question: Water pressure: External filling loop . Glow-Worm have been producing reliable heating and energy products since their inception over 80 years ago. The F9 fault code on Glow-Worm boilers relates to a water pressure sensor. In this case, the boiler has managed to ignite, but the flame isn’t able to stay lit. Simple job has turned in to head scratcher. If this drops too low, below 0.5 bar for example, this normally means water has been lost from the central heating heating system and the filling loop must be used to replace this water. So are not the same as a combi boiler. We can provide assistance and information on replacing your boiler. The boiler should read between 1 to 1.5 bar of pressure when the central heating is cold. What does the F.29 fault code mean on my Glow-Worm boiler? 2 posts • Page 1 of 1. by favemuppet » Tue Mar 04, 2008 10:37 pm . Only thing i can think of is to open the bleed valve on a radiator boiler shut Increased! 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