Truma Combi (older boards, 4-digit catalogue) error code 0046
Circulating air motor faulty OR control panel/cable faulty (or Combi E power selector switch)
What to check, and in what order, is in the app. The flow Truma Combi — Window Switch Fault (Code 0042) 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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- Truma Combi Diagnostics Catalogue (2019-09-10)Truma
- Truma Combi 4 / 6 / 4E / 6E / D6 Operating + Installation Instructions
- Truma Corp 1-855-558-7862 (Elkhart IN)
- Truma CP Plus Manual
Related codes
- 0041Electronics blocked: air or water temp switch opened from overheat OR…
- 0042Window switch detects open window OR PCB bridge for window switch…
- 004312V power supply faulty (overvoltage)
- 004412V power supply faulty (low voltage)
- 0088Ignition spark interferes with electronics
- 0089Combustion air motor faulty
- 0094Heater overheats OR combustion air temp sensor incorrect value
- 0150Fault: air or water temp switch opened OR combustion air sensor >215°C