Fujitsu AGHG09KVCA, Manual

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Models: ASHG07KGTB, ASHG09KGTB, ASHG07KGTE,
ASHG09KGTE, ASHG07KETA, ASHG09KETA, ASHG12KETA,
ASHG07KETA-B, ASHG09KETA-B, ASHG12KETA-B,
ASHG07KETE, ASHG09KETE, ASHG12KETE, ASHG07KETE-B,
ASHG09KETE-B, and ASHG12KETE-B
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 No function
4 (Black) Ground terminal (GND)
5 (White) Control voltage (Vcc)
6 (Yellow) Speed command (Vsp)
7 (Blue) Revolution pulse (PG)
5-4. Indoor unit fan motor
- (03-85) -
5. Service parts information
TROUBLESHOOTING TROUBLESHOOTING