Truma • Space Heater

Truma Trumatic S 3002

The Trumatic S 3002 is a liquid gas space heater designed for caravans, motor caravans, and other vehicles. It features an automatic ignitor, thermostat control for comfortable ambient room temperature adjustment, and operates on propane or butane gas.

Technical Specifications

Gas Pressure Mbar30 or 50 mbar
Power Consumption 12v66 mA / 0.01 mA (3V ignition battery)

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
Operational Fault
Batteries are run down or depleted.
Replace the batteries in the automatic ignitor (Mignon LR6, AA, 1.5V).DIY Safe
Operational Fault
The safety thermocouple did not get hot enough or hasn't established contact.
Keep the control knob pressed down for approximately 10 seconds (up to a minute if the gas line was empty) to allow the thermocouple to heat up.DIY Safe
Operational Fault
Intermittent ignition or low battery/sensor signal.
Wait 2 minutes before attempting to re-ignite, and ensure batteries have sufficient charge.DIY Safe

Frequently Asked Questions

Q: How do I replace the batteries in the automatic ignitor?

Slide the battery cassette upward or remove the battery box (depending on model) to replace the Mignon LR6 (AA, 1.5V) batteries, ensuring correct polarity (+/-).

Q: How often must the gas system be checked?

In Germany and conforming regions, the gas system must be inspected every 2 years by an expert (DVGW worksheet G 607 / TÜV / DEKRA).

Q: Can the heater be operated while driving?

Under specific regulations (e.g., in Germany, heating while driving is not allowed in motor homes unless specific safety shut-off devices are installed), check local country-specific laws.