Samsung Electronics
12-2 Trouble check in the initial status
12-2-1 Diagnosis and marking of the part in trouble.
12-2
Description
LAMP
OPERATION TIMER TURBO
Indoor unit room temperature sensor error
(open or short)
Indoor unit heat exchanger temperature sensor error
(open or short)
Indoor fan motor mal function
EEPROM error
Option error
(option wasn’t set up or option data error)
: Lamp off : Lamp flickering
Please check the air conditioner operation status and write the check result in the chart in the room.
12-2-2 Operation with abnormal motion
No Abnormal condition Inspection Initial Diagnosis
1
No response from
the remote control
operation signal.
• Plug out and plug in 5 seconds later. Able to operate the
remote control.
OK
Unable to operate
the remote control.
Press the
button in the indoor unit.
• If it operates, the remote control and
indoor unit receiver are in trouble.
• If not, the indoor unit is in trouble.
2
Unable to operate the
outdoor unit
• Press the TURBO button with the
remote control.
• In 3 minutes, check the voltage
between the indoor unit terminal
block N1 and 1.
AC200V ~ AC240V Problem with the outdoor unit or PCB
No power source
displayed.
Problem with the relay (RY71) or PCB
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