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Mend Vaillant HE 24 ISAR Home Heating Systems

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Mend Vaillant HE 24 ISAR Lights Front Unit

no lights on front of my he 24 isar .but power to the unit whatsort of idea?

lights flicker ,then go off .tryed reset (nothing works) what can it be?

dave m
May 2010
Vaillant HE 24 ISARHeating, Home Heating SystemsLights Front Unit
brian
put the pins in the pcb and it lit up.no more devorce and the isar 24 running a treat phew//

dave m
June 2010
change the cable between the main pcb and the display board (4 purple wires) before you buy a main pcb.

Ian
May 2010
Probably the PCB is goosed. These boilers are notorious for it.

M
May 2010
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