Fault diagnosis and Trouble shooting guide
Title
Display
code
Cause of errorMeaning
Does high pressure
switch operate at the
power off?
Replace high power switch
No
Yes
Does indoor/outdoor
fan operate?
Yes
Is the ventilation of
heat exchanger
smooth?
Yes
Remove the obstacles
material from heat exchanger
No
Check and replace the fan
and its drive part
No
Is the circuit for
detection of high
pressure switch
normal?
Replace PCB
No
Yes
Check whether pipe is blocked
and refrigerant state
High pressure
24
• Malfunction of high pressure switch
• Fan lock of indoor or outdoor unit
• Obstacles of indoor or outdoor heat exchanger
• Blocking in discharge pipe of compressor
Compressor off has occurred
3 times in1 hour
Trouble shooting Flow
To Next Page
Loading...
Need help?
General
