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Ventilation fan control panel not functioning

Read the instructions below then start the fault diagnostic procedure.

Symptom: Ventilation fan control panel not functioning.

Ventilation fan control panel not functioning





Fault symptoms

Ventilation fan control panel not functioning.

Diagnostic help

Do not use thin jumper leads as the fan operates with high current.

The fan commutator must not be lubricated at all. There is a risk of short-circuiting the poles.