5-4. Indoor unit fan motor
¢
Models: AUXG07KVLA, AUXG09KVLA, AUXG12KVLA, and
AUXG14KVLA
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 (Red)
DC voltage (Vm)
2
No function
3 (Black)
Ground terminal (GND)
4 (White)
Control voltage (Vcc)
5
No function
6
No function
7 (Yellow)
Speed command (Vsp)
8 (Blue)
Feed back (FG)
5-4. Indoor unit fan motor
- (03-83) -
5. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Summary of Contents for AGHG09KVCA
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2022 03 15 SR_CH01_MU001EG_04 ...
Page 40: ...2 6 Outdoor unit 01 34 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Page 41: ...2 TECHNICAL DATA AND PARTS LIST 2022 03 15 SR_CH02_MU001EG_05 ...
Page 44: ......
Page 161: ...3 TROUBLESHOOTING 2022 04 13 SR_CH03_MU001EG_04 ...
Page 164: ......
Page 259: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU001EG_06 ...
Page 262: ......
Page 351: ...5 FILED WORKING 2022 04 13 SR_CH05_MU001EG_05 ...