87
SAMSUNG ELECTRONICS
10. Troubleshooting
10-1 Items to be checked first
1. The input voltage should be rating voltage ±10% range.
The air conditioner may not operate properly if the voltage is out of this range.
2. Is the line cable linking the indoor unit and the outdoor unit linked properly?
The indoor unit and the outdoor unit shall be linked by 5 cables.
Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables.
Otherwise the air conditioner may not operate properly.
3. When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the malfunction of the
air conditioner.
NO
Operation of air conditioner
Explanation
1
The OPERATION indication LED(BLUE) blinks when a
power plug of the indoor unit is plugged in for first
time.
It indicates power is on. The LED stops blinking if the
operation ON/OFF button on the remote control unit is
pushed.
2
In a COOL operation mode, the compressor does not
operate at a room temperature higher than the setting
temperature that the INDOOR FAN should operate.
[In case of heat pump model]
In a HEAT operation mode, the compressor does not
operate at a room temperature lower than the setting
temperature that indoor fan should operate.
In happens after a delay of 3 minutes when the compressor
is reoperated. The same phenomenon occurs when a power is
on. As a phenomenon that the compressor is reoperated after
a delay of 3 minutes, the indoor fan is adjusted automatically
with reference to a temperature of the air blew.
3
Fan speed setting is not allowed in DRY mode.
The speed of the indoor fan is set to LL in DRY mode.
Fan speed is selected automatically in AUTO mode.
4
Compressor stops operation intermittently in Dry
mode.
Compressor operation is controlled automatically in DRY mode
depending on the room temperature and humidity.
5
Timer LED(ORANGE) of the indoor unit lights up and
the air conditioner does not operate.
Timer is being activated and the unit is in ready mode. The
unit operates normally if the timer operation is cancelled.
6
The compressor stops intermittently in a COOL mode
or DRY mode, and fan speed of the indoor unit
decreases.
The compressor stops intermittently or the fan speed of the
indoor unit decreases to prevent inside/outside air frozen
depending on the inside/outside air temperature.
7
[
In case of heat pump model]
Compressor of the outdoor unit is operating although
it is turned off in a HEAT mode.
When the unit is turned off while de-ice is activated, the
compressor continus operation for up to 9 minutes(maximum)
until the deice is completed.
8
[In case of heat pump model]
The compressor and indoor fan stop intermittenly in
HEAT mode.
The compressor and indoor fan stop intermittently if room
temperature exceeds a setting temperature in order to protect
the compressor from overheated air in a HEAT mode.
9
[
In case of heat pump model]
Indoor fan and outdoor fan stop operation
intermittently in a HEAT mode.
The compressor operates in a reverse cycle to remove exterior
ice in a HEAT mode, and indoor fan and outdoor fan do not
operate intermittently for within 20% of the total heater
operation.
Summary of Contents for AR09TXFCAWKNEU
Page 78: ...77 SAMSUNG ELECTRONICS 7 Wiring Diagram 7 1 Indoor Unit CODE DB68 08680A 01 ...
Page 80: ...79 SAMSUNG ELECTRONICS 8 PCB Diagram 8 1 Indoor Main PCB DB92 04839A ...
Page 81: ...80 SAMSUNG ELECTRONICS 8 2 Outdoor PCB DB92 04837A ...
Page 82: ...81 SAMSUNG ELECTRONICS ...
Page 84: ...83 SAMSUNG ELECTRONICS 8 4 DISPLAY PCB DB92 04833B ...
Page 107: ...106 SAMSUNG ELECTRONICS 11 Block Diagram 11 1 Indoor unit ...
Page 108: ...107 SAMSUNG ELECTRONICS 11 2 Outdoor unit ...
Page 118: ...117 SAMSUNG ELECTRONICS ...
