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21
ERROR CODES
When appliance status is abnormal, temperature indicator on indoor unit will blink and display corres-
ponding error code. Please refer to list below for identification of error code.
Error
code
What to do?
C5
Please contact a qualified person for service.
E2
Verify if filter needs to be cleaned. Make sure nothing is blocking air inlet or outlet.
Restart device. If not, please contact a qualified person for service.
E5
It can be eliminated after restarting the unit. If not, please a qualified person for service.
E6
It can be eliminated after restarting the unit. If not, please contact a qualified person
for service.
E7
Multizone heat pumps – There is a demand for cooling and heating at the same time.
The indoor unit that sent the signal first has priority. The other indoor unit(s) are waiting
for the end of the heating or cooling cycle, as the case may be, to enter the other mode.
E8
It can be eliminated after restarting the unit. If not, please contact a qualified person
for service.
F0
It can be eliminated by disconnecting power at the main panel. Wait 10 minutes before
energizing. If the error code remains, please contact a qualified person for service.
F1
Please contact a qualified person for service.
F2
Please contact a qualified person for service.
H1
This code indicates that device is in defrosting mode. When defrosting cycle is finished,
code will disappear.
H6
It can be eliminated after restarting the unit. If not, please contact a qualified person
for service.
U8
It can be eliminated after restarting the unit. If not, please contact a qualified person
for service.
Note: If there are other error codes, please contact a qualified person for service.
When below phenomenon occurs, please turn off the unit and disconnect power immediately,
then contact a qualified person for service:
• There is an unusual sound during operation.
• Circuit break trips off frequently.
• Device generates a burning smell.
• Indoor unit is leaking.
• Do not repair or refit the appliance by yourself.
• If the appliance operates under abnormal conditions, it may damage the unit, cause electric shock
or fire hazard.
WARNING
CAUTION