Items To Be Checked First - Samsung AC052HBLDKH Service Manual

4-4 Items to be checked first

1. The input voltage should be rating voltage
The air conditioner may not operate properly if the voltage is out of this range.
2. Is the link cable linking the indoor unit and the outdoor unit linked properly?
The indoor unit and the outdoor unit shall be linked by 4 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
1 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.
2
Compressor stops operation intermittently in DRY(
mode.
3 [In case of heat pump model]
Compressor of the outdoor unit is operating although it is
turned off in a HEAT mode.
4 [In case of heat pump model]
The compressor and indoor fan stop intermittently in HEAT
mode.
5 [In case of heat pump model]
Indoor fan and outdoor fan stop operation intermittently
in a HEAT mode.
Samsung Electronics
10% range.
±
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.
Compressor operation is controlled automatically in DRY mode
)
depending on the room temperature and humidity.
When the unit is turned off while de-ice is activated, the
compressor continues operation for up to 12 minutes(maximum)
until the deice is completed.
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.
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
Explanation
4-9