Truma Combi error code E 112 H
Combustion failure - flame not detected / flame out (a problem with at least one of air, fuel, or spark). NOT an overheating code.
What to check, and in what order, is in the app. The flow Truma Combi — Heater Overheat / Code 0094 / 0150 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 Service HandbookTruma
- Truma Combi Service Handbook (TrumaCorp, 20 pp; technician training handbook with Common Error Codes table and per-code Further Details sections) (rv-tech-resources/58-truma-combi-hydronic/Truma-Combi-Service-Handbook_TrumaCorp_20pp.pdf)
- Truma Combi 4 / 6 / 4E / 6E / D6 Operating + Installation Instructions
- Truma Corp 1-855-558-7862 (Elkhart IN)
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