Troubleshooting - Samsung AC***KNZDCH/AA Installation Manual

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 Block
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
Indicators
Concealed Type
GREEN RED
Standard Type
X X X
X X X
X X
X X X
X X
X X
X X X
X X
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Remarks
X
X
X
X
X