91
10-2-13 O.C(Over Current) error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1
LED2
LED3
◎
◎
E464
IPM Over Current(O.C) Error
Outdoor display
◎
IPM Over Current(O.C) Error
●
LED ON
◎
LED BLINKING
LED OFF
1. Checklist :
1) Is the IPM Shunt resistance value correct? Check the resistor is opened
2) Is the condition of surrounding temperature abnormal overload?
3) Is there any problem as like the temperature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
NO
NO
NO
NO
YES
YES
YES
YES
Restart after power off.
Is the O.C error occurred?
Is the connection of compressor wire is normal?
Is the O.C error occurred again?
Is the condition of indoor/outdoor
temperature normal load?
Terminate the service
Connect the comp wire normally
Terminate the service
Restart after returning to the normal load
Is the O.C error
occurred again?
Terminate the service
Summary of Contents for AR09RXFPEWQNEU
Page 67: ...67 7 1 IndoorUnit AR09RXFPEWQNEU AR12RXFPEWQNEU AR18RXFPEWQNEU AR24RXFPEWQNEU 7 Wiring Diagram...
Page 69: ...69 7 2 OutdoorUnit AR24RXFPEWQXEU DB68 06675A DB68 06675A 00...
Page 70: ...70 8 1 IndoorMain PCB CODE DB92 03467G 8 PCB Diagram...
Page 71: ...71 8 2 OutdoorMain PCB CODE DB92 04029D...
Page 72: ...72 8 3 OutdoorPCB InverterCODE DB92 04025C...