Truma • Water Heater

Truma Electric water heater

The Truma Electric Water Heater (BE 14) uses a 230 V, 850 W electric heating element to quickly heat up 14 liters of water for caravans and motorhomes. It features built-in safety controls, including an over-temperature limit and a safety/drain valve to protect against freezing damage.

Technical Specifications

Power Consumption 230v3.7 A (850 W)
Water Capacity Litres14 litre
Weight Kgapprox. 3 kg

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
Operational Fault
No operating voltage available.
Restore the power supply.DIY Safe
Operational Fault
The appliance was operated without water, causing the over-temperature safety fuse to trip.
Switch off the device, wait 10 minutes, fill with water, and turn the device back on.DIY Safe
Excessively long heating time
Water reservoir has lime scale buildup.
Descale the water system.DIY Safe
Operational Fault
Safety/drain valve is open.
Close the safety/drain valve.DIY Safe
Operational Fault
Drain opening of the safety/drain valve is blocked, the ventilation hose is blocked, or the elbow fitting on the boiler is kinked.
Check the drain hole for dirt, snow/ice, or leaves and clean if necessary; inspect the ventilation hose for kinks and straighten; ensure the ventilation valve on the elbow fitting points sideways.DIY Safe
Operational Fault
Water pressure is too high.
Check the pump pressure (max. 2.8 bar). Use a pressure reducer when connecting to a central water supply to prevent pressures above 2.8 bar.DIY Safe

Frequently Asked Questions

Q: Can the Truma electric boiler be operated with a timer?

No, the boiler cannot be operated with a timer.

Q: How do I reset the over-temperature safety fuse if the boiler was run dry?

Allow the device to cool down below 24 °C, switch it to "Off" (Closed), and then back to "On" (Open).

Q: What should I do to winterize or prevent frost damage?

Disconnect the water pump, open all hot water taps in the bathroom and kitchen, and open the safety/drain valve into the vertical position to drain all water out directly.