In the event of a fault, the cooling fans will run at full speed (level 2) cyclically every 30 seconds while the system is stationary.
When operating in Climatronic mode, they should already be running continuously on the first setting, even when the vehicle is stationary.
Possible causes of error:
- The fuse box on the battery is deteriorating, and the fuse for the first stage has poor or no contact.
- Resistors in the first stage are defective (installed in the fans).
Translated on 06-09-2026, 2:40.
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