Samsung JH035EAV Series Service Manual page 28

Outdoor Unit(cont.)
SUB PCB
7-Segment
Diplay
Indoor unit not connected
1min. Time out Comm.
(Display Board : Onboard :
Indoor
Abnormal Serial
communication(Display Board:
Indoor
Outdoor temp sensor error
(Dual/Single)
Cond temp sensor error
(Dual/Single)
Discharge temp sensor error
(Dual/Single)
Discharge over temperature
(Dual/Single)
Operation condition
secession(HEATING)
Operation condition
secession(COOLING)
Fan error
Comp Starting error
I_Trip error / PFC Over current
IPM Over Current(O.C)
Samsung Electronics
Content
Check the indoor unit connection
Check the indoor unit number(multi only)
Check the indoor unit connection
Check the indoor unit option
Outdoor)
-
-
Outdoor)
Check the connection status of the sensor
Check the sensor location
Check the risistance values of sensor
Check the connection status of the sensor
Check the sensor location
Check the risistance values of sensor
Check the connection status of the sensor
Check the sensor location
Check the risistance values of sensor
-
Check the operation status of operation mode
Check the temp. sensor
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
Check the connection status of the compressor
Check the resistand between different phases in
compressor
Check the input power
Check the refrigerant is filled
Check the outdoor fan operation normally
Check the refrigerant is filled
Check the connection status of compressor and if it
operates normally
Check for any obstacles around indoor/outdoor
units
Measures
Operating Instructions and Installation
Product operation status in
case of error
Outdoor unit
Number of Times compressor/
outdoor unit fan
1 Time Operation-off
1 Time Operation-off
-
-
-
1 Time Operation-off
1 Time Operation-off
1 Time Operation-off
3 Times Operation-off
1 Time Operation-off
1 Time Operation-off
5 Times Operation-off
3 Times Operation-off
9 Times Operation-off
ON
OFF
: :
BLINK
:
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