Samsung Electronics 4-1
4. Troubleshooting
4-1 Indoor Display Error and Check Method
■Error detection and reoperation
● If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
● When reoperating by remote control and switch determine the error mode after normal operation.
4-1-1
Indoor unit LED lamp display at error detecting
LED Display on the receiver & display unit
Abnormal conditions
Indicators
Remarks
Concealed Type
Green Red
Standard Type
Power reset
X XXX
Error of Room sensor in the indoor unit(Open/
Short)
XX XX
Error of EVA-IN,EVA-OUT sensor in the indoor
unit(Open/Short)
X XX
Error of Fan motor in the indoor unit X
XX X
Error of Outdoor or Terminal Block Thermal Fuse(Open)
XX
Clogging of outdoor's service valve
XX
Detection of the float switch
XX
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 track-
ing.
(Communication error for more than 2 minutes)
XX X
1. Indoor unit error
(Display is unre-
lated with opera-
tion)
2. Outdoor unit
error
(Display is unre-
lated with opera-
tion)
V If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
M
On
Flickering
X
Off
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