Manufacturer fault library

Truma Combi error codes

Find the exact Truma Combi code shown on the control panel, then check its source-backed meaning, owner-safe first steps, and regional model notes.

9 code guides1 system100% source linked
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E 211 HGas shutoff closed or overheat protection activeOpen E 211 H guide →E 112 HGas supply closed or overheat protection activeOpen E 112 H guide →E 212 HCombustion air, gas, overheat, or electronics faultOpen E 212 H guide →W 45 H120-volt supply missing or overheat protection activeOpen W 45 H guide →

Furnaces & AC

9 guides
W 17 HHot-water mode with an empty water containerTruma Combi furnace and water-heater systemsW 18 HWarm-air outlet or circulated-air intake blockedTruma Combi furnace and water-heater systemsE 43 H12-volt supply exceeds 16.4 voltsTruma Combi furnace and water-heater systemsE 44 HBattery voltage below 10 voltsTruma Combi furnace and water-heater systemsW 45 H120-volt supply missing or overheat protection activeTruma Combi eco plus and comfort plus modelsE 112 HGas supply closed or overheat protection activeTruma Combi furnace and water-heater systemsE 202 HFuel unavailable or overheating protection activeTruma Combi furnace and water-heater systemsE 211 HGas shutoff closed or overheat protection activeTruma Combi furnace and water-heater systemsE 212 HCombustion air, gas, overheat, or electronics faultTruma Combi furnace and water-heater systems