72
ELECTRICAL WIRING
ENGLISH
Self-Diagnosis Function
Error Indicator
- This function indicates types of failure in self-diagnosis and occurrence of failure for air condi-
tion.
- Error mark is displayed on display window of indoor units and wired remote controller, and 7-
segment LED of outdoor unit control board as shown in the table.
- If more than two troubles occur simultaneously, lower number of error code is first displayed.
- After error occurrence, if error is released, error LED is also released simultaneously.
Error Display
1st,2nd,3rd LED of 7-segment indicates error number, 4th LED indicates unit number.
Ex)
* Refer to the DX-Venitilation manual for DX-Venitilation error code.
Display
Title
Cause of Error
Indoor unit related error
0
1
-
Air temperature sensor of indoor unit
Air temperature sensor of indoor unit is open or short
0
2
-
Inlet pipe temperature sensor of indoor unit
Inlet pipe temperature sensor of indoor unit is open or short
0
3
-
Communication error : wired remote
controller
÷
indoor unit
Failing to receive wired remote controller signal in indoor
unit PCB
0
4
-
Drain pump
Malfunction of drain pump
0
5
-
Communication error : outdoor unit
÷
indoor unit
Failing to receive outdoor unit signal in indoor unit PCB
0
6
-
Outlet pipe temperature sensor of indoor
unit
Outlet pipe temperature sensor of indoor unit is open or
short
0
9
-
Indoor EEPROM Error
In case when the serial number marked on EEPROM of
Indoor unit is 0 or FFFFFF
1
0
-
Poor fan motor operation
Disconnecting the fan motor connector/Failure of indoor
fan motor lock
1
7
-
Inlet Air temperature sensor of FAU
Air temperature sensor of indoor unit is open or short
Outdoor unit related error
2
1
1 Master Outdoor Unit Inverter Compressor IPM Fault
Master Outdoor Unit Inverter Compressor Drive IPM Fault
2 Slave1 Outdoor Unit Inverter Compressor IPM Fault Slave1 Outdoor Unit Inverter Compressor Drive IPM Fault
3 Slave2 Outdoor Unit Inverter Compressor IPM Fault Slave2 Outdoor Unit Inverter Compressor Drive IPM Fault
4 Slave3 Outdoor Unit Inverter Compressor IPM Fault Slave3 Outdoor Unit Inverter Compressor Drive IPM Fault
2
2
1
Inverter Board Input Over Current(RMS) of
Master Outdoor Unit
Master Outdoor Unit Inverter Board Input Current excess
(RMS)
2
Inverter Board Input Over Current(RMS) of
Slave1 Outdoor Unit
Slave1 Outdoor Unit Inverter Board Input Current excess
(RMS)
3
Inverter Board Input Over Current(RMS) of
Slave2 Outdoor Unit
Slave2 Outdoor Unit Inverter Board Input Current excess
(RMS)
4
Inverter Board Input Over Current(RMS) of
Slave3 Outdoor Unit
Slave3 Outdoor Unit Inverter Board Input Current excess
(RMS)
Error No. of Compressor
Error No.
Error No. of Unit
Repeat
Содержание Multi V ABRUV100LTS4
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