38 Room Air Conditioner
Operation
Tact S/W
Buzzer sound
Operation LED
Flickering 4 times
10sec
ON
OFF
ON
OFF
When selecting additional heat Logic
1.5sec
(1time)
(2times)
When selecting existing heat Logic
0.25 sec
0.25*3 sec
1.5sec
1.5sec
1.5sec
1.5sec
1.5 sec
• Function of operation off for preventing overload when the indoor fan stops in the operating condition of the outdoor
unit.
• Contents of operation
- When feedback rpm of the BLDC fan motor is successively less than 50 for 12 seconds in the operation condition
of the indoor fan, it is considered as lock of the indoor fan.
- If detected as lock of the indoor fan, immediately turn off the compressor and stop the indoor appliances.
- Error is displayed through the indoor error display LED in this time. (Periodically flickers 8 times)
- The indoor unit detects the fan lock error status even if re-operating the unit during 2min delay of Comp Off in
spite of release of the fan lock. Normal operation is done if re-operating the unit after Comp Off for 2min.
Indoor fan lock detection (BLDC)