Appendix
Appendix
Troubleshooting
Detection of errors
• If an error occurs during the operation, an LED flickers and the operation is stopped except the LED.
• If you re-operate the air conditioner, it operates normally at first, then detect an error again.
LED Display on the receiver & display unit
Abnormal condition
Error
code
Indoor unit display indications
Ice
Blue
Yellow
Green
Error on indoor temperature sensor (Short or Open) E121
X X
X X
1. Error on Eva-in sensor (Short or Open) E122
X X X
2. Error on Eva-out sensor (Short or Open) E123
3. Discharge sensor error (Short or Open) E126
Indoor fan error E154
X X X
X
1. Error on outdoor temperature sensor (Short or Open) E221
X X X
2. Error on cond sensor E237
3. Error on discharge sensor E251
Other outdoor unit sensor error that is not on the above list
1.Whenthereisnocommunicationbetweentheindoor∙outdoor
units for 2 minutes
E101
X X
X
2. Communication error received from the outdoor unit E102
3. 3 miniute tracking error on outdoor unit E202
4. Communication error after tracking due to unmatching number
of installed units
E201
5. Error due to repeated communication address E108
6. Communication address not confirmed E109
Other outdoor unit communication error that is not on the above
list
Self diagnosis error display
X X
1. Error due to opened EEV (2nd detection) E151
2. Error due to closed EEV (2ndetection) E152
3. Eva in sensor is detached E128
4. Eva out sensor is detached E129
5. Thermal fuse error (Open) E198
To Next Page
Loading...
