Troubleshooting
Samsung Electronics
4-3
■ AC***BNLDCH, AJ***BNHDCH
• 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.
Abnormal conditions
Indicators
Operating
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 sensor in the indoor unit
(Open/Short)
x
x
x
Error of Fan motor in the indoor unit
x
x
x
x
Error of Outdoor or Terminal Block Thermal Fuse
(Open)
x
x
Clogging of outdoor's service valve
x
x
Detection of the float switch
x
x
x
Error of EEPROM or OPTION SETTING
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
operation)
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.
