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Troubleshooting
4.
Indoor unit observes operation condition of the air conditioner, and displays self diagnosis details on the display panel.
Indoor unit room temperature sensor error (open or short)
Indoor unit heat exchanger temperature sensor error (open or short)
Indoor fan motor malfunction
EEPROM error
Option error (option wasn't set up or option data error)
5.
Operation with abnormal motion
No
Abnormal condition
1
No response from
the remote control
operation signal.
2
Unable to operate the
outdoor unit
50
Error Mode
Inspection
• Plug out and plug in 5 seconds
later.
• Press the TURBO button with the
remote control.
• In 3 minutes, check the voltage
between the indoor unit terminal
block N(1) and 1.
LAMP
Able to operate the
remote control.
Unable to operate
Press the
the remote control.
indoor unit.
• If it operates, the remote control and
indoor unit receiver are in trouble.
• If not, the indoor unit is in trouble.
AC198V ~ AC242V
Problem with the outdoor unit or PCB
No power source
Problem with the relay (RY71) or PCB
displayed.
7-segment Display
Display Flickering
Initial Diagnosis
OK
(ON/OFF) button in the
Samsung Electronics
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