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7

Read the instructions below then start the fault diagnostic procedure.

Symptom: Unable to change air distribution defrost/floor. Unable to adjust heating.

7


Open circuit, short to ground or short to B+ in a motor.


Fault symptoms

Unable to change air distribution defrost/floor. Unable to adjust heating.

Conditions

When calibrating, the current consumption for all three motors is measured. The current consumption is compared to a stored set-point value. If the current consumption deviates from the set-point value, diagnostic trouble code 7 is set.