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c. Fan Motor Driver Board (PCB3)
Part Name Function Information
LED1(Green)
Communication Indicator
Normal Condition: Activated /ON Abnormal Condition: Deactivated /OFF
LED8(Red)
Power Source Indicator for Fan Motor Driver Board
Normal Condition: Activated /ON Abnormal Condition: Deactivated /OFF
LED5(Green)
Power Source Indicator for Control Part
Normal Condition: Activated /ON Abnormal Condition: Deactivated /OFF
LED9(Orange)
ON: Fan1 Motor Driver is error
Flash: Fan2 Motor Driver is error
LED4(Green)
LED3(Yellow)
LED2(Red)
Fan Motor is Working
ON OFF OFF
Frequency Decrease for Overcurrent
ON ON OFF
Frequency Limit for Overcurrent
ON ON ON
Frequency limit for Overheat
ON Flash OFF
Frequency Decrease for Overheat
ON Flash Flash
Fan Motor is Ready to Operate. (The Main Relay is Activated)
Flash OFF OFF
DSW1
NO Setting is Required.
●
Flash represent that the LED is ON for 0.5 second and then it is OFF for 0.5 second repeatedly.
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2))
TROUBLESHOOTING
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