Outdoor Unit Fan Error - Samsung AR07TSFABWKN Service Manual

4-6-4 Outdoor unit fan error

1. Check items
1) Are the input voltage and power connection correct?
2) Is the motor connecting wire connected to the outdoor unit PCB correctly?
3) Are the indoor/outdoor fuses connected?
4) Are there any obstacles near the motor or propeller?
5) Is the motor driver out of order?
6) RJ040~080 Model check CN901, RJ100 Model Check CN 90.
2. Check procedure
Turn off the power and restart the unit.
Is the fan (CN901) connected correctly?
Is the resistance
between pin1 and pin3 of the fan
between pin4 and pin3 of the fan (CN901)
pin5 and pin3 of the fan (CN901) during
the operation 1V~6V?
Is the fan running the operation mode?
between pin6 and pin3 of the fan (CN901) fluctuate?
(High 5V~6V, Low:0V~1V)
Samsung Electronics
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the outdoor unit power supply error.
No
No
No
Replace the fan motor.
No
No
Replace the fan motor.
Troubleshooting
4-33