Samsung Electronics
Outdoor Error Display and Check Method(cont.)
3-3
Alignment and Adjustments
MAIN
7-Segment
Inverter LED
Content Measures
Product operation status in
case of error
Yellow Green Red
Number of
Times
Outdoor unit
compressor/
outdoor unit
fan
○ ◎ ●
Indoor unit not connected
• Check the indoor unit connection
• Check the indoor unit number(multi only)
1 Time Operation-off
◎ ● ●
1min. Time out Comm.
(Display Board : Onboard :
Indoor ↔ Outdoor)
• Check the indoor unit connection
• Check the indoor unit option
1 Time Operation-off
○ ○ ●
Abnormal Serial
communication(Display
Board:Indoor
↔ Outdoor)
- -
-
○ ● ●
- -
◎ ○ ◎
Outdoor temp sensor error
(Dual/Single)
• Check the connection status of the sensor
• Check the sensor location
• Check the risistance values of sensor
1 Time Operation-off
◎ ● ◎
Cond temp sensor error
(Dual/Single)
• Check the connection status of the sensor
• Check the sensor location
• Check the risistance values of sensor
1 Time Operation-off
◎ ◎ ○
Discharge temp sensor error
(Dual/Single)
• Check the connection status of the sensor
• Check the sensor location
• Check the risistance values of sensor
1 Time Operation-off
◎ ○ ●
Discharge over temperature
(Dual/Single)
- 3 Times Operation-off
● ◎ ○
Operation condition
secession(HEATING)
• Check the operation status of operation mode
• Check the temp. sensor
1 Time Operation-off
Operation condition
secession(COOLING)
● ○ ○
Fan error
• Check the input power connection status
• Check the connection status between the motor
and PCB in outdoor unit
• Check the fuse of indoor/outdoor units
1 Time Operation-off
○ ◎ ○
Comp Starting error
• Check the connection status of the compressor
• Check the resistand between different phases in
compressor
5 Times Operation-off
● ◎ ●
I_Trip error / PFC Over cur
-
rent
• Check the input power
• Check the refrigerant is filled
• Check the outdoor fan operation normally
3 Times Operation-off
○ ○ ◎
IPM Over Current(O.C)
• Check the refrigerant is filled
• Check the connection status of compressor and
if it operates normally
• Check for any obstacles around indoor/outdoor
units
9 Times Operation-off
29347A(1)_1.indd 13 2008-01-23 ソタネト 1:40:12