Troubleshooting (Cont.)
The error indicated on the PCB display of outdoor unit
Explaining Operations to the Owner
COMPLETING THE INSTALLATION
Once the owner is happy with the basic operations, hand over the owner’s
instruction booklet and this installation manual for storage in a handy and
safe place.
Before leaving the premises on which you have installed the air conditioner,
you should explain the following operations to the owner, making
reference to the appropriate pages in the owner’s instruction booklet.
1
How to start and stop the air conditioner.
2
How to select the operating mode and adjust the temperature and fan
settings.
3
How to adjust the air flow direction.
4
How to set the timers.
5
How to remove and clean the filters.
DISPLAY EXPLANATION
(The error indicated on the PCB display of outdoor unit)
REMARK
Outdoor unit freezing(Compressor stop)
check pipe lenght, indoor
unit filter, refrigerant leakage/
charge and service port
Outdoor unit overload - Safety control(Compressor stop)
check pipe lenght, refrigerant
leakage/charge
Outdoor unit high discharge temperature - Safety control
(Compressor stop)
check pipe lenght, refrigerant
leakage/charge
Outdoor unit EEV open (Stopped indoor unit’s) -Self diagnosis
Outdoor unit EEV open (operating indoor unit’s) -Self diagnosis
High temperature(over 86°F) of outdoor as heating mode
Low temperature(under 14°F) of outdoor as cooling mode
Outdoor Fan Error
Communication cable mismatched between indoor
and outdoor unit
Check electrical connection
Inverter compressor starting failure (5 times)
Compressor trip by input current control mode (PFC over current)
Compressor trip by OLP temperature control mode
DC peak error (IPM Over Current)
Compressor Vlimit Error
DC link Voltage error (under 150V, over 410V)
Abnormal compressor running
(Compressor Rotation Error)
Current sensor error
DC link Voltage sensor error
OTP Error
Inverter micom zero-crossing error
The table below give indication about self diagnostic routine. Some of error code requires activities
exclusively for Authorise Service Center.
