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Samsung Electronics9-12
Yes
Error code starts in '' ''
Consult error code table
Yes
Error code starts in '' ''.
Error code consists of 4 digits and displays first 2
digit and last 2 digit alternatively.
Consult error code table
Consult error code(Next Page)
OK : over 180KΩ
No Good
OK : 207-253V(50Hz)
OK : 207-253V
Yes
No
Yes
Ok
9-3 Fault Diagnosis by Symptom
9-3-1 Basic Check Flow
Preparation : multimeter (AC voltage, DC voltage, Resistance)
Detach cable cover of the terminal blocks
(HANDLE CABI RH) on outdoor unit.
Check resistance value between
L and N of Main power terminal block.
• Outdoor unit controller (see 12-3-2)
• Indoor unit controller (see 12-3-3)
No Good
• Power cable (see 12-3-4, 12-2)
• Breaker
No Good
No
Terminal block wiring
No
• Main PCB,
• Display PCB,
• wiring between PCBs.
• Remote control
• Remote control battery
• Infrared signal receiving path
(front panel duct, infrared receiving module, wiring)
No
• Indoor unit,
• Wiring cable to outdoor unit
No Good
Starting by remocon or ON/OFF switch on the indoor
unit or K2 button on the Outdoor PCB display.
Apply the power
Check AC voltage between L and N of
MAIN power terminal block.
Check AC voltage between L and N of
power terminal block for indoor unit.
Is there any display of LED?
Start operation
Any Error code on LED display?
Wait for 5 minutes to check error
code because some error judgement
needs long time.
Receiving of remote control signal ?
(Check by buzzer sound)
Check operation ON/OFF by the button
at lower right of the display module
(By buzzer sound and LED display)
Any Error code on LED display?
Wait for 5 minutes to check error code
because some error judgement
needs long time
Check Major parts(See 12-5)
START
Check point
Short check
for safety
Power Source
check
Outdoor unit
Indoor unit
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