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Troubleshooting
Appendix
LED Display on the receiver & display unit
Abnormal conditions
Indicators
Remarks
Concealed Type
GREEN RED
Standard Type
Power reset X X X X
Error of Room sensor in the indoor unit(Open/Short) X X
X X
Error of EVA-IN,EVA-OUT discharge sensor in the
indoor unit(Open/Short)
X X X
Error of Fan motor in the indoor unit X X X
X
1. Error of Outdoor
2. Thermal Fuse Open Error of Indoor's Terminal
Block
X X
1. Clogging of outdoor's service valve
2. the refrigerant leakage
X X
X X X
1. Error of EEPROM
2. Error of Option setting
1. Error of Outdoor Temp. sensor
2. Error of Cond Temp. sensor
3. Error of discharge Temp. sensor
X X X
Troubleshooting
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 56 2022-09-15 오전 9:53:34
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