11
Malfunction analysis
Error Code
When air conditioner status is abnormal, temperature indicator on indoor unit will blink to
dispiay corresponding error code. Please refer to below list for identification of error code.
Below listed error codes are only part error codes. Please refer to error code list in serive
manual for more information.
Error
Code
Troubleshooting
Solution
CL
Filter filth blockage alert
Power off,clean filter.If the filter is not dirtey, turn off the
air conditioner for 2min then restart,the code will be
removed automatically.
E1
Overheat protection Turn off,restart after 5min,if the code occurs again after
a few minutes, please contact the professional person.
E2
Overcurrent protection Turn off,restart after 5min,if the code occurs again after
a few minutes, please contact the professional person.
L0
Jumper malfunction Pull out the plug, restart after 3min, if the code occurs
again , please contact the professional person.
L1
PG motor(indoor)zero-
crossing detecting circuit
malfunction
Turn off,restart after a few seconds, if the code
occurs again after a few minutes, please contact the
professional person.
L2
No feedback signal of
indoor unit fan
Turn off,restart after a few seconds, if the code
occurs again after a few minutes, please contact the
professional person.
L3/L6
Communication
malfunction
Power off the unit, restart after 3min, if the code occurs
again ,please check the communication wire of indoor
unit and outdoor unit is correct of not, then power on
again.
U0
Short/open circuit of indoor
environment sensor
Power off the unit, restart after 3min, if the code occurs
again , please contact the professional person.
U1
Short/open circuit of indoor
unit tube sensor
Power off the unit, restart after 3min, if the code occurs
again , please contact the professional person.
U6
Liquid pipe temp. sensor
malfunction
Power off the unit, restart after 3min, if the code occurs
again , please contact the professional person.
U7
Gas pipe temp. sensor
malfunction
Power off the unit, restart after 3min, if the code occurs
again , please contact the professional person.
PC
Mode conflict
The mode of this indoor unit is conflicting with other
indoor units, please turn off other indoor units or
change the mode to non-conflicted mode.
If there're other error codes, please contact professional person for service.