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Test results |
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Check that the fan power supply is correct |
Go to Step 2 |
Power supply not correct |
Restore the correct power supply for the fan |
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Check that the positions of the fan speed adjustment knob are correct |
Go to Step 3 |
The positions of the fan speed adjustment knob are not correct |
Replace the climate control system control unit Op. 5040D10 AIR CONDITIONER CONTROLS SUPPORT - R+R OR REPLACE |
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Check that the compressor has activated correctly and that the LED lights up on the button, when the fan adjustment knob is at first speed |
End of diagnosis |
The compressor does not activate or the LED does not light up |
Go to Step 4 |
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Check that the fan ceramic resistor is working correctly |
Go to Step 5 |
The fan ceramic resistor is not working correctly |
Replace the fan resistor Op. 5040C44 FAN MOTOR ELECTRONIC VARIATOR - R+R |
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Check that the fan is working correctly |
End of diagnosis |
The fan is not working correctly |
Replace the fan Op. 5040C30 AIR CONDITIONING FAN - R.R. |