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Troubleshooting
Symptom
Diagnostic
Unit will not operate
Is there a power failure?
Has a switch been turned off, a circuit breaker tripped or a fuse blown?
Is the timer operating?
Are the batteries used in the remote controller exhausted?
Are the batteries used in the remote controller loaded properly?
Poor cooling or heating
performance
Are the air
ers dirty?
Is a
unrestricted in & out of indoor & outdoor units?
Are the temperature and mode settings correct?
Are the windows or doors left opened?
Is fan speed on high and louvers allowing maximu
?
Is direct or strong sunlight shinning into the room in cooling operation?
Are there other heating apparatus or computers operating, or too many people in the room in
cooling operation?
Is the QUIET function is activated? Under QUIET operation, noise reduction is prioritized and
the air-conditioning performance may become lower.
Indicator lamps continue
ashing
The unit may stop operation or continue to run in a safety condition.
Error code appears in the
indoor unit, such as: E0,E1,E2....
P1,P2,P3.....or F1, F2,F3.....
Before you call for or request servicing, troubleshoot a problem by performing following checks:
If the problem persists even if you perform these checks or
diagnostics, immediately stop operation and contact the authorized
service center. Be sure to info
rm them of the detailed malfunctions
and unit model number.
WARNING
caution
In the case of ANY of the following, turn off the unit
immediately
• Power cord is damaged or abnormally warm.
• Burning odours are smelled.
• Loud or abnormal sounds are heard.
• A power fuse blows or a circuit breaker trips frequently.
• Water or other objects fall into or out of the unit.
Do not attempt to correct these items yourself. Contact
a authorized service provider.
20 Troubleshooting
Wait for about 10 minutes, the fault may be removed automatically, if not, switch the
power supply to the air conditioner off and on. If the problem still exists, then switch
off the power and contact the nearest customer service center.
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