35English
Appendix
Troubleshooting
Condition
Indoor unit display indications
Ice blue Yellow green Blue Red
Power reset (blinking once every 2 seconds) XXX
In the defrost operation (blinking once every 10 seconds)
XXX
Open or short circuit error of the indoor-temperature sensor X X X
Error of the outdoor unit X X X
Communication error between the indoor and outdoor units X
XX
Open or short circuit error of a sensor (evaporator-in,
evaporator-out, or discharge sensor) in the indoor unit
X
X
Error of the fan in the indoor unit X X
Error of the second detection of the float switch X X
Open circuit error of the thermal fuse
X X
EEPROM error
X
: On, : Blinking, X : Off
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