Truma Trumatic E 1800 Space Heater
The Trumatic-e 1800 is a liquid petroleum gas (L.P.G.) heater with electronic control and built-in air distribution, designed for installation inside or outside vehicles and boats. It provides efficient heating with adjustable power levels, integrated thermostat, and fan ventilation functions.
Technical Specifications
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
Operational Fault | Indicates gas failure, air in the gas line, a dirty fan, or a defect in the safety system. | Switch the heater off and on again to reset the fail light. | DIY Safe |
Operational Fault | Indicates low electrical supply voltage. | Check the vehicle electrical supply and battery voltage. | DIY Safe |
Operational Fault | Indicates that the fuse in the electrical control panel has blown or power is not reaching the unit. | Replace the fuse in the electrical control panel (see installation instructions page 24). | DIY Safe |
Operational Fault | Indicates a lack of gas, air in the gas line, a dirty burner/blower, or a safety device defect. | Switch off and on again to retry starting. If the red light stays on, have the system checked by a professional technician. | DIY Check / Tech Fallback |
Electronics failure | The control board has been potted and cannot be repaired. | Replace with original Truma replacement board (do not use non-original replacement plates). | DIY Safe |
Frequently Asked Questions
Q: How do I start the heater?
Remove the cowl cap if fitted, open the bottle valve and the isolating valve, set the required room temperature on the knob of the control unit, and set the left-hand switch to HEAT (setting 1 or 1/2).
Q: What should I do if the red FAIL light illuminates continuously?
A continuous light indicates gas failure, air in the gas line, a dirty fan, or a safety system defect. Switch the heater off and on again to reset the fail light.
Q: How often must the gas installation be checked?
The gas installation must be re-checked every two years by a competent fitter and confirmed on the test certificate according to DVGW form G 607 or G 608.