Truma Mover SR
The Truma Mover® SR is a manoeuvring system designed for single-axle caravans with a gross weight of up to 1800 kg, allowing the vehicle to be moved, turned, and parked without the assistance of a towing vehicle. It consists of two separate drive units attached to the vehicle frame near the wheels, operated exclusively via a wireless radio remote handset.
Technical Specifications
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
Operational Fault | System is ready for operation. | No action needed. | DIY Safe |
Operational Fault | System is off. | Check remote handset batteries if necessary. | DIY Safe |
Operational Fault | System is initializing / getting ready for operation. | Wait until the system is ready. | DIY Safe |
Operational Fault | Radio connection to the control unit could not be established. | Check that 12V power is applied to the control unit, ensure remote and control unit are properly synchronised, and verify distance is within 2 meters during startup. | DIY Safe |
Operational Fault | Caravan battery is becoming weak. | Finish manoeuvring as quickly as possible and charge the battery. | DIY Safe |
Operational Fault | Caravan battery voltage is low (below approx. 11 V). Drive function is locked. | Charge or recover the battery until voltage is above approx. 11 V. | DIY Safe |
Operational Fault | System has experienced overcurrent or overtemperature. | Switch remote handset off and on again. If due to overtemperature, wait for a cooling-off phase. | DIY Safe |
Frequently Asked Questions
Q: Can the Mover® SR be used on tandem-axle caravans?
No, the Mover® SR is exclusively suitable for single-axle caravans.
Q: What is the correct distance between the disengaged drive rollers and the tyres?
The distance between the tyres and the disengaged drive rollers must be exactly 20 mm.
Q: How do I synchronise the remote handset with the electronic control unit?
Press and hold the reset button on the control unit until the red LED flashes rapidly (after about 5 seconds), then release the reset button and press and hold the caravan reverse button on the remote handset within 10 seconds while simultaneously switching on the remote handset using its slide switch.
Q: Can the caravan be towed with the drive rollers engaged?
Never tow the caravan with the drive rollers applied, as this can cause damage to the tyres, towing vehicle, and drive units.