Thetford RV toilet fault codes
RV toilets (electric/macerating and cassette) use indicator lights for tank-full and power status rather than numeric codes.
How to read the code
Read the indicator-light colour. A red/full light usually locks out flushing until the holding or cassette tank is emptied.
All documented codes
Green tank LED info
The tank-symbol LED glows solid green. The toilet system is powered on and the holding tan… No tank LED / off warning
The tank-symbol LED is not lit at all. The toilet system is off or is receiving no power. … Red tank LED (full) warning
The single tank-symbol LED on the wall switch glows solid red. This means the system is po… Yellow tank LED info
The tank-symbol LED glows solid yellow/amber. This is an informational level indication: t…
The tank-symbol LED glows solid green. The toilet system is powered on and the holding tan… No tank LED / off warning
The tank-symbol LED is not lit at all. The toilet system is off or is receiving no power. … Red tank LED (full) warning
The single tank-symbol LED on the wall switch glows solid red. This means the system is po… Yellow tank LED info
The tank-symbol LED glows solid yellow/amber. This is an informational level indication: t…