Thetford C250 toilet PCB

Welshvip replied on 13/06/2023 18:06

Member

Welshvip

Posted on 13/06/2023 18:06

My toilet pump pcb appears to be at fault pump not operating

I have checked the Fuse ---OK

I have checked the input to the pcb under the push button and have 13 v --- OK

I have seperately tested the pump with separate 12 v supply Running OK

Cannot get a voltage reading at the PCB output to pump .

I have Changed the PCB but get the same results.

Any suggestions to where to test .

Many thanks for reading

2 replies

nelliethehooker replied on 13/06/2023 20:01

Member

nelliethehooker

Caravanner

Posted on 13/06/2023 20:01

Have you tried drying the PCB, using a hair drier, as condensation was causing ours not to function, and a quick warm air dry off proved the solution to get it operational again?

Welshvip replied on 16/07/2023 14:00

Member

Welshvip

Posted on 16/07/2023 14:00

Thank you Nelliethehooker for your suggestion.

I did try this but with no success.

I have now disconnected the +- for the pump at the pcb and connected a +- thro. a rocker switch direct to the pump . I have left the supply +- to the pcb and this still enables the red warning light to work as normal. I have refitted the Thetford sticker over the rocker switch so the finish is just the same.

I did appreciate your reply

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