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Appendix
Appendix
Troubleshooting
1 way Cassette
Abnormal conditions
LED lamp display
Remarks
Operation
Defrost
Timer
Fan
Filter
Cleaning
Blue
Yellow
Power reset
X
X
X
X
Error of temperature sensor in the indoor unit (Open/
Short)
X
X
X
X
Error of heat exchanger sensor in the indoor unit
X
X
X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
X
X
X
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
X
X
X
1. Indoor unit
error (Display is
unrelated with
operation)
2. Outdoor unit
error (Display is
unrelated with
operation
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
X
X
Detection of the float switch
X
X
X
EEPROM error
EEPROM option error
Error on indoor fan motor (E154)
X
X
X
X
Outdoor valve clogging error
X
X
Error due to connecting outdoor units that do not
support the WindFree function
X
X
: On, : Flickering, X : Off
• If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Appendix
DB68-11272A-00_IM_CAC WindFree1,4way_AA_EN_.indd 41
DB68-11272A-00_IM_CAC WindFree1,4way_AA_EN_.indd 41
2021-09-17 오후 12:14:22
2021-09-17 오후 12:14:22