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thema f 23 lights flashing?

i have green led power off red leds fan and call flashing 4 times every 15 sec together

maciek
January 2010
Heating, Home Heating SystemsF Lights Flashing

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Fan tries to run every 15 seconds then stops immediately?
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Remove boiler cover?

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Mend Heating, Home Heating Systems

Worcester boiler dripping water?

Worcester boiler dripping water, can I just tight the screw? The icon next to the valve looks like radiators... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the syst... [Read more]
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My temp is showing on the reciever alot higher than it actually is & each time I turn the temp up to get the h... [Read more]
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Boiler cycle?

My boiler only fires up for about 90 seconds greenstar 4000
Mend Home Heating Systems
Mend Heating, Home Heating Systems
Find out how to mend home heating systems