Truma Trumatic S 3002 P / S 3002 / S 5002
Liquefied petroleum gas (LPG) space heaters designed for caravans and motorhomes, providing reliable heating with adjustable thermostat control and optional Trumavent warm air distribution systems. They operate on a 30 mbar gas supply and feature either a manual pressure igniter (P models) or an automatic electronic ignition system.
Technical Specifications
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
Operational Fault | Depleted or dead battery in the automatic ignition unit, or bad connection. | Replace the battery (Mignon LR 6, AA, AM 3) with a temperature-resistant (+70 °C), leak-proof type with the heater switched off. | DIY Safe |
Operational Fault | Air trapped in the gas supply line preventing immediate combustion. | Hold the control knob fully depressed and actuate the igniter continuously for up to 2 minutes until the flame ignites. | DIY Safe |
Operational Fault | Faulty regulator, closed valve, or air in lines. | Wait at least 2 minutes before attempting a new ignition to prevent flashbacks. Verify gas supply and regulator condition. | DIY Safe |
Operational Fault | The battery on the auto ignitor is depleted or needs replacement. | Replace the battery with a temperature-resistant (+70 °C), leakproof Mignon battery (LR 6, AA, AM 3) with correct polarity. | DIY Safe |
Operational Fault | Extreme wind conditions or snow buildup are affecting the cowl. | Clear snow from the cowl and consider using a cowl extension such as AKV or SKV. | DIY Safe |
Operational Fault | Air in the gas supply line prevents immediate combustion. | Hold the control knob down and constantly actuate the igniter for up to two minutes until the gas is available and the flame burns. | DIY Safe |
Frequently Asked Questions
Q: Can the Trumatic S 5002 be installed in motorhomes?
No, the Trumatic S 5002 heating system must not be installed in motorhomes. Only the Trumatic S 3002 (P) is permitted in motorhomes.
Q: What should I do if there is a gas leak or smell of gas?
Immediately extinguish all open flames, do not smoke, switch off all appliances, close the gas cylinder, open windows and doors, do not operate electrical switches, and have the entire system inspected by an expert.
Q: How do I replace the battery in the automatic igniter?
Remove the heater casing, slide the battery compartment cover upwards, replace the battery observing correct plus/minus polarity, and close the compartment. Use only temperature-resistant (+70 °C) leak-proof Mignon LR 6, AA, AM 3 batteries.
Q: Can the Trumatic S 5002 heater be installed in motor homes?
No, the Trumatic S 5002 heater must not be installed in motor homes. However, the installation of the Trumatic S 3002 (P) in motor homes is permitted.
Q: How long should I wait before attempting to re-ignite if the heater fails to start?
You must wait at least 2 minutes before attempting to re-ignite to prevent any risk of deflagration or misfiring.
Q: What type of battery should be used for the automatic ignition device?
Only use temperature-resistant (+70 °C), leakproof Mignon batteries (LR 6, AA, AM 3).