Troubleshooting
Samsung Electronics 4-5
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SAMSUNG PROPRIETARY. DO NOT COPY OR DISTRIBUTE WITHOUT PERMISSION
■ AC***BNZDCH
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
Detection of the float switch
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
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
opteration)
2. Outdoor unit
error (Display is
unrelated with
operation)
: On : Flickering x: Off
- If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
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