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Troubleshooting
Abnormal conditions
Power reset
Error of tempreature sensor in the indoor unit (Open/
Short)
Error of heat exchanger sensor in the indoor unit (Open/
Short)
Error of fan motor in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
No communication for 2 minutes between indoor and
outdoor unit (communication error for more than 2
minutes)
Error of outdoor unit
Error of the terminal block thermal fuse (Open)
Detection of the float switch
EEPROM error
EEPROM option error
Motion detect sensor error
Mixed operatiion error
Outdoor valve clogging error
Miss matching error between indoor unit and outdoor unit
: On,
: Flickering, X : Off
• If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
LED lamp display
Operation
Defrost
X
X
X
X
X
X
X
X
X
X
X
X
X
Timer
Filter
X
X
X
X
X
X
X
X
X
X
X
X
29
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