Alarm code: 1039
M3 - Rotary heat exchanger, motor shorted
Description
The control of the rotary heat exchanger detects a too high current value and can therefore not work.
Instructions
- Disconnect the operating voltage to the unit by pulling out the mains plug connector. Wait 10 s.
- Connect the mains plug connector again and wait 3 min for the unit to restart.
- In case this action doesn’t solve your problem, please contact your service partner.