E632H: If the auxiliary heater does not work and you get this error message, it means that the system has overheated. In this case, please turn off the red main switch in the boot and leave it switched off for about 20 to 30 minutes so that the system can cool down.
When the system has cooled down, you can perform a hard reset of the system on the display under the rear seat. To do this, turn the wheel until the small spanner flashes. Select it again and turn clockwise until `Reset` appears on the display. Confirm twice and wait briefly while the reset is running. After that, the system has reset itself to the beginning and the auxiliary heater should work as usual again.
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