ELECTRICAL WIRING
79
ENGLISH
Self-Diagnosis Function
Error Indicator
- This function indicates types of failure in self-diagnosis and occurrence of failure for air
condition.
- 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)
Display
Title
Cause of Error
In
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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
O
ut
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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)
No. of Error Compressor
Error No.
No. of Error Unit
Repeat
* Refer to the Indoor manual for some Indoor Error code.
Содержание MULTI V IV PRO JRUN180LLS4
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