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Troubleshooting
Troubleshooting
1 way Cassette
Abnormal conditions
Power reset
Error of temperature sensor in the indoor unit (Open/
Short)
Error of heat exchanger sensor in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
1. No communication for 2 minutes between indoor
units (Communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from the
outdoor unit, the mismatching of the communication
numbers and installed numbers after completion
of tracking. (Communication error for more than 2
minutes
Communication error between indoor units
1. Error of electronic expansion valve open
2. 2'nd detection of high temperature cond
3. 2'nd detection of high temperature discharge
4. Error of reverse phase
5. Compressor down due to 6th detection of freezing
Detection of the float switch
Error of setting option switches for optional accessories
EEPROM error
EEPROM option error
Error on indoor fan motor (E154)
: On,
: Flickering, X : Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
30
English
LED lamp display
Operation
Defrost
Timer
Blue
Yellow
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Filter
Fan
Remarks
reset
X
X
X
X
X
X
X
1. Indoor unit
error (Display is
unrelated with
operation)
X
2. Outdoor unit
error (Display is
unrelated with
operation
X
X
X
X
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