- Joined
- 13 Dec 2017
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- 26
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Hi all just got back from holiday so boiler thermostat was turned down to 14c while away. After 30 minutes noticed radiators was just Luke warm ,looked at boiler and red tap light was flashing. Turned boiler off topped water pressure up a bit as was bit lower than normal. Still after a while the tap light was flashing red and radiators not that hot. Tried turning kitchen hot tap on and off few times didnt get that hot . Anyway powered down boiler and back up now it seems to be heating radiators hot as normal. Just curious what could have been the fault ? Stuck pressure sensor or stuck diverted valve ? . All seems ok at the moment hoping it was just because it’s been off for while but love to know what causes those symptoms many thanks in advance Paul .