Thetford Toilet: “Green tank LED”
info RV toilet warning lights
What it means
The tank-symbol LED glows solid green. The toilet system is powered on and the holding tank is below the mid-level sensor (less than about half full). This is the normal, all-clear operating state.
Most likely causes
- System powered and tank below half full — normal operation most likely
Safe checks you can do yourself
- No action needed; this is the healthy state.
- If the toilet still will not flush while green, check supply water, the inlet valve/pump fuse, and that water supply is turned on.
How to reset / clear Green tank LED
- None required.
When to call a technician
Light is green but the toilet will not flush or add water after checking water supply, fuses, and voltage.
Applies to
Tecma Silence Plus 2G · Tecma Elegance 2G · Tecma macerating RV toilets with single tank-symbol wall switch
FAQ
What does Thetford Toilet code "Green tank LED" mean?
The tank-symbol LED glows solid green. The toilet system is powered on and the holding tank is below the mid-level sensor (less than about half full). This is the normal, all-clear operating state.
How do I reset Thetford Toilet Green tank LED?
None required.
What is the most common cause of Green tank LED on a Thetford Toilet?
The most likely cause is system powered and tank below half full — normal operation.
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Sources
- Tecma 2G Silence Plus Toilet RV Owner's & Installation Manual — 98269 Rev. E, Operation — Symbol lighted Green = system ON and tank less than half full (A.4-3) (Thetford Corporation)
Note: Indicator only; a green light does not rule out water-inlet or power problems unrelated to tank level.
● Last verified 2026-06-29 · compiled from manufacturer documentation. Codes can vary by model year — always cross-check your unit’s manual.