13 Webasto diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.
| Code | System | Symptom | Fix |
|---|---|---|---|
| F01 | — | No Start (After 2 attempts) | Unlock |
| F02 | — | Flame Failure | Unlock |
| F03 | — | Under/Over Voltage | Unlock |
| F04 | — | Premature Flame Detection | Unlock |
| F06 | — | Temperature Sensor Error | Unlock |
| F07 | — | Fuel Pump Fault | Unlock |
| F08 | — | Fan Motor Error | Unlock |
| F10 | — | Overheating | Unlock |
| H01 / H02 | Heater | Heater-Specific Faults. | Unlock |
| T12 | Interface | Compatibility/Power Error. | Unlock |
| T84 | Interface | Operating Voltage Critical. | Unlock |
| TE3 | Interface | Communication Error (W-Bus). | Unlock |
| TEB | Interface | Low Voltage Trigger. | Unlock |
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