4-4. Indoor unit fan motor
Check point 1. Check rotation of fan
Rotate the fan by hand when operation is off.
(Check if fan is caught, dropped off or locked motor)
→ If fan or bearing is abnormal, replace it.
Check point 2. Check resistance of indoor fan motor
Check each winding resistance of the motor
→ If Resistance value is abnormal, replace motor.
Lead wire Resistance value
(AC)
Thermal protector
Pr
VIOLET (Med)
BLUE (Low)
RED (Hi)
BLACK
WHITE
145°C
White - Red 7.73 Ω ± 7 %
Red - Black 7.08 Ω ± 7 %
Red - Violet 3.80 Ω ± 7 %
Violet - Blue 3.80 Ω ± 7 %
(20 °C)
4-4. Indoor unit fan motor - (03-47) - 4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
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