Worcester Bosch showing CE 207 in Coventry? It is a low water pressure warning. How to check the gauge, when topping up is fine, and when it points to a leak.
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CE 207 on a Worcester Bosch almost always means the water pressure in the heating system has dropped too low for the boiler to run safely. Look at the pressure gauge on the front or underneath. When cold, most boilers want somewhere around one bar.
Topping up once is normal. Needing to top up again and again means water is escaping somewhere. That is worth finding before it causes damage. Check your manual for your exact model.
In Coventry, older houses in Earlsdon and Foleshill often have long pipe runs under timber floors. A slow leak there can go unnoticed for weeks. A falling gauge is often the first sign.
If the needle sits well under one bar with the heating off, the code is telling the truth. The manufacturer sticker inside the case gives the exact figure for your boiler.
Worcester boilers have a filling loop or key underneath. Your manual shows how to use it. Fill slowly to the recommended pressure, close it fully, then reset.
Look for a dripping copper pipe on the outside wall, a weeping radiator valve, or a tired expansion vessel. The outside pipe is the most common and the easiest to spot.
A system that loses pressure every week or two has a leak or a failing vessel. Refilling forever brings in fresh water. Fresh water brings corrosion and sludge.
The engineer checks the pressure over a few minutes, then looks at the valves, joints and vessel. Where needed, the system is pressure tested. Most leaks are found in one visit.
A photo of the gauge and one of the boiler underneath. Tell us how often you top it up. A photo of any damp patch on a ceiling or wall helps as well.
No. The boiler simply refuses to run until pressure is restored. Smell gas? Leave the house, do not use switches, and call the National Gas Emergency line on 0800 111 999. A fault code is never a gas leak, but a smell always is.
Bleed a radiator a little to bring it back down, or ask for help. Over-filling can make the relief valve discharge outside.
Once or twice a year after bleeding radiators is normal. Monthly means a leak worth finding.
Where the water is escaping. A weeping valve is a short job. A joint under a floor takes longer because boards must come up. The engineer explains which it is before work starts.
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