Dometic CTW 4000 Toilet

[Dave Horton]

The flush tank warning light is on all of the time indicating No water in tank. (It is full)
Could there be a float switch stuck?
This is the first commissioning following the winter drain down.
Thank's for any suggestions
Dave

 

[mitzimad]

yes try giving the tank a good shake

 

[Ingwe]

Let us know what happened after the suggested shake, please.

 

[Dave Horton]

Will do! I haven't had chance to get shakin yet.

 

[Dave Horton]

Eureka!
The shaking didn't cure it but it got me to thinking, I drained the flush tank and then half filled it with warm soapy water, left it to soak for half an hour and then threaded a stiff but pliable piece of wire followed by a good "rodding" up and down.
Low and behold the light went out!
I have since flushed out the tank and the warning light comes on and goes out when the tank is topped up.
The job's a good un, or as they say in Cornwall - "PROPER JOB".
Thanks' for the comments.

Dave

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[Ingwe]

Great you got it sorted and thanks for the follow-up post.