Panasonic CU-4E23LBE - Page 62

62
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.
F97 Compressor
overheating
protection
3 times
happen within
30 minutes
— Compressor
overheat
• Insufficient
refrigerant
F98 Total running
current
protection
3 times
happen within
20 minutes
— Total current
protection
•Check
refrigeration
system
• Power source or
compressor lock
F99 Outdoor direct
current (DC)
peak detection
Continuous
happen for 7
times
— Power transistor
module current
protection
• Power transistor
module faulty or
compressor lock
LED 6LED 5LED 4LED 3LED 2LED 1
Abnormality
judgement
Protection
operation
Problem Check location
Diagnosis
display
Abnormality
or
protection
control
------ Illuminate
------ Flashing
Blank ------ OFF