Truma Trumatic C 3400 / C 6000 LPG Heater
The Trumatic C 3400 and C 6000 are combined liquid gas space and hot water heaters designed for caravans and motorhomes. They provide integrated warm air distribution and water heating capacity up to 12.5 litres, featuring multiple operating modes for winter heating and summer water warming.
Note: Information translated from the German edition of the manual - we couldn't find an English edition.
View official manual on manufacturer's site ↗Technical Specifications
Gas Pressure Mbar30 or 50 mbar
Power Consumption 12vHeating + Boiler: C 3400: 0.2 - 1.8 A / Ø 0.9 A, C 6000: 0.2 - 2.1 A / Ø 1.1 A, Boiler Heaters: 0.5 A, Quiescent: 0.01 A, Safety/drain valve: 0.037 A
Power Consumption 230v230 V, 450 W (optional)
Water Capacity Litres12.5 Litres
Weight Kg19 kg (without water content)
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Possible Cause | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|---|
Red control lamp "Störung" (fault) lit continuously | Indicates a fault such as lack of gas, blocked combustion air, or defective fuse. | — | Switch off and on again to reset. | DIY Safe |
Red control lamp flashes 1 x per second | Operating voltage too low. | — | Check and restore proper operating voltage. | DIY Safe |
Red control lamp flashes 2 x per second | Operating voltage too high. | — | Check and lower operating voltage. | DIY Safe |
Red error indicator light permanently illuminated | Indicates a fault such as lack of gas, blocked gas lines, or blown fuse. | — | Switch the unit off and on again to clear the fault; check gas supply and fuses. | DIY Safe |
Red indicator light flashes once per second | Low operating voltage (under-voltage). | — | Check battery voltage and 12V electrical connections. | DIY Safe |
Red indicator light flashes twice per second | Excessive operating voltage (over-voltage). | — | Check power supply and ensure voltage does not exceed acceptable limits. | DIY Safe |
Frequently Asked Questions
Q: How do I empty the boiler to prevent frost damage?
Open the safety/drain valve via the rocker/push button and open all warm water taps in the kitchen and bathroom while keeping the water pump switched off.
Q: Can I operate the water heater in summer without space heating?
Yes, select summer operation at 40°C or 60°C on the temperature control switch.