Samsung mini DVM Series Service Manual page 448

■ Outdoor Unit Fan Motor Reverse Rotation Error
Outdoor unit display
Indoor unit display
Judgment method
Causes
1. Judgment Method
Occur when a feedback of RPM value is not returned from PID control style fan motor to MICOM.
2. Check Method
1) Check the HALL IC connector which gives feedback of RPM valve.
2) In case the fan motor starting Capacitor is PCB separate type, check the connection terminal.
3) Check the fan motor starting status.
4) If no error is checked for the above check points, replace the PCB.
Samsung Electronics
↔ A*** (***: Indoor unit address which an error is occurred)
(Operation) (Timer)
Refer to the below judgment method
No. *** indoor unit fan motor starting error
(Fan) (Filter) (Defrost)
Troubleshooting
12-37