OUTDOOR UNIT
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(T3)High temperature protection
Error
OK
The condenser is in poor condition
Check the connection between sensor and PCB
High temp. protection of Outdoor Condenser
Well connected, then replace
the sensor or PCB
OK
There is N
2
or air in the system
Check if the liquid pipe in
the system is blocked
Check the outdoor
fan motor
OK
Replace PCB
OK
Error
Discharge the refrigerant & vacuum,
recharge the refrigerant
Error
High exhaust temperature protection
Error
OK
Check the connection between sensor and PCB
High exhaust temperature protection
Well connected, then replace
the sensor or PCB
OK
Lack of refrigerant
There is N
2
or air in the system
Error
Repair the leakage & charge refrigerant
Error
Discharge the refrigerant & vacuum,
then recharge the refrigerant
OK
Check if the low pressure is too slow
Error
Clean the system to remove contaminants
OK
Check the Pcb
Error
Replace the Pcb
