4-5. Outdoor unit fan motor
¢
Models: AOYG18KBTB, AOYG22KBTB, AOYG24KBTB,
AOYG30KBTB, AOYG36KBTB, and AOYG45KBTB
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 outdoor 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 outdoor 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)
4-5. Outdoor unit fan motor
- (03-56) -
4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ABYG18KRTA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2020 11 16 SR_CH01_AB004EF_03 ...
Страница 24: ...2 2 Outdoor unit 01 18 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Страница 25: ...2 TECHNICAL DATA AND PARTS LIST 2020 12 09 SR_CH02_AB004EF_05 ...
Страница 71: ...3 TROUBLESHOOTING 2020 07 01 SR_CH03_AB004EF_01 ...
Страница 74: ......
Страница 138: ...5 2 Outdoor unit 03 64 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 139: ...4 CONTROL AND FUNCTIONS 2020 07 01 SR_CH04_AB004EF_01 ...
Страница 141: ...8 8 High temperature and high pressure release control 04 42 CONTENTS continued ...
Страница 142: ......
Страница 187: ...5 FILED WORKING 2020 07 01 SR_CH05_AB004EF_01 ...