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Abnormality
Diagnosis
or
LED 6 LED 5 LED 4 LED 3 LED 2 LED 1
display
protection
control
F96
Power
transistor
module
overheating
protection
F97
Compressor
overheating
protection
F98
Total running
current
protection
F99
Outdoor direct
current (DC)
peak detection
LED 1 illuminate is indicated that outdoor unit is operating normally. If the LED 1 is switched off or flashing, check the
power supply and self-diagnosis indication.
------ Illuminate
O ------ Flashing
Blank ------ OFF
O
O
O
O
O
O
O
O
O
O
O
O
Abnormality
Protection
judgement
operation
4 times
―
happen within
30 minutes
3 times
―
happen within
30 minutes
3 times
―
happen within
20 minutes
Continuous
―
happen for 7
times
32
Problem
Check location
Power transistor
PCB faulty
module overheat
Outdoor air
circuit (fan motor)
Compressor
Insufficient
overheat
refrigerant
Total current
Check
protection
refrigeration
system
Power source or
compressor lock
Power transistor
Power transistor
module current
module faulty or
protection
compressor lock
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