51
b. Driver Board (PCB2)
Part Name Function Information
LED1(Green)
Communication Indicator
Normal Condition: Flashing Abnormal Condition: ON /OFF
LED7(Red)
Power Source Indicator for 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
LED6(Red)
Power Source Indicator for Precharge Relay
Normal Condition: Activated /ON; Abnormal Condition: Deactivated /OFF.
LED4(Green)
LED3(Yellow)
LED2(Red)
Compressor 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
Compressor 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.
21
2))
TROUBLESHOOTING
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