Test 3 : Check Outdoor unit fan motor
OK
OK
1. Fan rotation failure 2. Motor protection by surrounding temperature rise 3. Main PCB failure
4. Outdoor unit fan motor failure
Test 1 : Check rotation of Fan
Rotate the fan by hand when operation is off.
(Check if fan is caught, dropped off or locked motor)
>>If Fan or Bearing is abnormal, replace it.
Check Outdoor unit fan motor. (SERVICE PARTS INFORMATION 5)
>>If Outdoor Fan Motor is abnormal, replace Outdoor fan motor and Main PCB.
Test 4 : Check Output Voltage of Main PCB
Check outdoor unit circuit diagram and the voltage. (Measure at Main PCB side connector)
If the voltage is not correct, replace Main PCB.
Read wire DC voltage
260 - 400V
Red - Black
White - Black
15 1.5V
CN800
1
2
3
4
5
6
1
2
3
4
5
6
BLACK
WHITE
YELLOW
BROWN
RED
FM
Fan motor 1
(Upper)
Test 2 : Check ambient temp. around motor
OK
Check excessively high temperature around the motor.
(If there is any surrounding equipment that causes heat)
>>Upon the temperature coming down, restart operation.
Trouble shooting 28
OUTDOOR UNIT Error Method:
Outdoor Unit Fan Motor 1 Error
Outdoor unit main PCB
Outdoor unit fan motor
①
When outdoor fan rotation speed is less than 100rpm in 20 seconds
after fan motor starts, fan motor stops.
②
After fan motor restarts, if the same operation within 60sec is repeated
3 times in a row, compressor and fan motor stops.
③
If
①
and
②
repeats 5 times in a row, compressor and fan motor stops
permanently.
Detective Actuators: Detective details:
Indicate of Display:
Forecast of Cause:
Outdoor unit :
POWER
MODE
ERROR
2
9
(L1) (L2) (L6)(L5)(L4)(L3)
7
PUMP
DOWN
LOW
NOISE
PEAK
CUT
02-31
Indoor Unit :
Operation lamp: 9 times Flash,
Timer lamp : 7 times Flash
ERROR CODE : [E : 97]
n
: n times blinking
: Light ON: Light OFF
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