While you wait for answers, we may have found some information which could help you.
Success
Message
Flush is not working?
How can I remove jammed Thetford C250 holding Tank ?
Remove a thetford toilet?
I have a problem with my thetford c200 cwe toilet cassette?
Thetford C2 Flush Querie?
how to fix my thetford toilet?
Red light on Thetford toilet?
thetford c2 pump?
Problem with my toilet pump?
thetford c500?
cant find fuse?
Can’t stop the flush?