Truma AquaGo error code W9 (flash: 4s,1l,2s,1l)
WOT (water outlet temp sensor) — short circuit, open, or unplugged
What to check, and in what order, is in the app. The flow Truma AquaGo — error code / symptom diagnostic (DLE60B / DLE60C / DLE60CP) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- _aquago_io.txt
Related codes
- W4 (flash: 5s,1l,2s)WOS (water over-temperature switch) opened — water exceeded 185 °F…
- W5 (flash: 5s,1l,1s,1l)Flame detected at incorrect time — before ignition, before gas…
- W6 (flash: 5s,2l,1s)Error in safety circuit for gas valve — heating request present but…
- W7 (flash: 5s,3l)Burner MCU internal RAM error — safety variables corrupted
- W10 (flash: 4s,1l,1s,1l,1s)Safety circuit error — heating request present but valve-actuation…
- W11 (flash: 4s,1l,1s,2l)MCU watchdog did not release the gas path despite heating request
- W12 (flash: 4s,2l,2s)Internal error — generic controller fault
- W13 (flash: 4s,2l,1s,1l)Short-circuit detection in gas valve shut-off section — drew >1000 mA…
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