Truma Ultrastore water heater (gas)

Apr 18, 2021
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Van has recently been serviced, but found that the gas control switch did not show green/red light. Checked the following and all ok:
Current flow from board to appliance.
PCB and fuse. Also tried new board.
Cable from appliance to switch.
New control switch.
Earth bond.
STILL NO LIGHTS on control knob?
 

Damian

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Mar 14, 2005
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If everything else is OK, as you indicate, then there is a problem with the control switch, or more precisely the light within.
 

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