Samsung RF263 Series - FF-Fan Motor FG Signal Error

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Error-code : 22 E
FF-Fan Motor FG SIGNAL ERROR
Block
① Inspect the FF Room Fan
- Contact CONNECTOR No.1~3 Pin/
switching
② Inspect Fan Motor FG output : When Main PBA CN76 No.8(RED)+No.1(GRY)
Fan rotate
- Normal : DC 2~4V
- Failure : DC 2V↓  Inspect Wire Open  Replace Fan
CONNECTOR ※ Inspect the Wire
① Inspect Fan Motor
- Inspect the CONNECTOR
No.3(WHT) + Main PBA
CN76 No.8(RED) WIRE OPEN
- Inspect the CONNECTOR
No.2(REL) + Main PBA CN76
No.4(ORG) WIRE OPEN
- Inspect the CONNECTOR
No.1(BLK) + Main PBA CN76
No.1(GRY) WIRE OPEN
Main PBA
① Inspect normal condition
after replace it
Measure Main PBA CN76
No.1(GRY)+No.8(RED) DC
voltage on CONNECTOR
contact and POWER ON
condition(FAN ON)
Normal: Measure DC 2~4 V
Failure : DC 2V↓, 4V↑
CN 76
1: GND(BLK)
2: VCC(RED)
3: F G (YEL)
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