4-4. Indoor unit fan motor
¢
Models: AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB
Check point 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 point 2. Check resistance of indoor fan motor
Refer to below. Circuit-test “Vm” and “GND” terminal
NOTE:
Vm: DC voltage, GND: Earth terminal
→ If they are short-circuited (below 300 kΩ), replace indoor fan motor and controller PCB.
Pin number
(wire color)
Terminal function
(symbol)
1 DC voltage
4 Earth terminal
1 (Red)
DC voltage (Vm)
2
No function
3
No function
4 (Black)
Earth terminal (GND)
5 (White)
Control voltage (Vcc)
6 (Yellow)
Speed command (Vsp)
7 (Brown)
Feed back (FG)
4-4. Indoor unit fan motor
- (03-57) -
4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Содержание AUXG36KRLB
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Страница 5: ...1 GENERAL INFORMATION 2020 11 16 SR_CH01_AU015EF_02 ...
Страница 16: ...2 2 Outdoor unit 01 10 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Страница 17: ...2 TECHNICAL DATA AND PARTS LIST 2020 11 16 SR_CH02_AU015EF_02 ...
Страница 47: ...3 TROUBLESHOOTING 2020 06 04 SR_CH03_AU015EF_01 ...
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Страница 116: ...5 2 Outdoor unit 03 66 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 117: ...4 CONTROL AND FUNCTIONS 2020 06 04 SR_CH04_AU015EF_01 ...
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Страница 157: ...5 FILED WORKING 2020 06 04 SR_CH05_AU015EF_01 ...