TROUBLESHOOTING
1-40
Alarm
Code
Cooling Overload
(High Pressure Switch will be Activate)
This alarm code is indicated when the protection device is activated at following condition.
Evaporating temperature of outdoor unit is more than 55 degree and top of compressor temperature is
more than 95 degree.
Yes Yes Yes
Yes
Faulty PCB1.
No No No
Faulty PCB1.
No
Is CMC ON?
Is CMC ON more
than 3 seconds?
Is protection
device activated?
Is the voltage between
PCN9#1 and #3
220V/240V?
Check the following value by remote control switch.
1. Top of Compressor Temperature: 95
o
C or less
2. Evaporating Temperature of Outdoor Unit: 55
o
C or less
If exceeding the above value, repair it.
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