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Troubleshooting
Troubleshooting
• If an error occurs during the operation, one or more 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 conditions
Power reset
Error of Room sensor in the indoor unit(Open/Short)
Error of EVA-IN,EVA-OUT discharge sensor in the
indoor unit(Open/Short)
Error of Fan motor in the indoor unit
1. Error of Outdoor
2. Thermal Fuse Open Error of Indoor's Terminal
1. Clogging of outdoor's service valve
2. the refrigerant leakage
Detection of the float switch
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
56 English
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 56
Block
Indicators
Concealed Type
GREEN
RED
Standard Type
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Remarks
X
X
X
X
X
X
X
X
2022-09-15 오전 9:53:34
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