hi
well a few days ago my isar He boiler has seemed to have broken down
1)it does not switch on
2)if the power is is on no led lights to show problems
3)NO HOT WATER OR CENTRAL HEATING
Please help me
Hi ive just replaced my main pcb and user control thing but there still is no hot water or central heating also there is still no led lights when the boiler is switched on?? any more sugesstions?
Neel
December 2007
definitley your pcb.ive changed loads of these in the last 2 years its the commonest fault in these boilers
alan
November 2007
the boiler doesn't seem to switch on at all??
are you its a pcb
Neel
November 2007
If user display just shows " - " ie no fault codes or other display , then it is more than likely the main pcb faulty , have had to change a few of these recently
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