The fan is not working
Blown fan motor fuse
Check the fuse, replace if necessary.
The fan switch is faulty
Remove the switch and check it. Replace if necessary.
The fan motor is faulty
Check if voltage is supplied to the fan motor with the ignition on and the fan switch on. To do this, the fan motor and fan speed controller must be removed. If voltage is supplied, replace the motor.
Low blower air temperature
Low coolant level
Check the coolant level in the expansion tank. Top up if necessary.
The dust filter is clogged
Replace the dust filter.
The movement of the air distribution flaps is difficult
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Check the rods. Replace them if necessary.
The heater radiator is leaky or clogged
Replace the heater radiator.
The heater fan does not work in one of the modes
Additional resistance defect (speed controller) fan
Replace the regulator.
The heater does not turn off
The air distribution flaps are difficult to move or are faulty
Check the rods. Replace them if necessary.
Noises in the fan
Getting dirt, leaves
Remove and clean the fan, clean the air duct.
Fan impeller imbalance, defective bearing
Remove the fan and check it for ease of movement.
A sickly smell in the cabin. When the heater is turned on, the windows fog up
Leaking heater radiator
Have the radiator pressure tested at a workshop. If there is a coolant leak from the heater radiator, replace it.