SM-18006
3-9
TROUBLESHOOTING
c. Inverter Printed Circuit Board for 460V Type: INV1, 2 (Inverter PCB)
PV161 (INV1, 2)
DSW101
LED202
LED203
CN206
PCN2
Part Name Function Information
LED401 (Red)
Power Supply Indicator for Inverter PCB
Normal Condition: Activated / ON
Abnormal Condition: Deactivated / OFF
LED202 (Yellow)
This indicates the state of the microcomputer.
Normal Condition: Activated / ON
Abnormal Condition: Deactivated / OFF
LED203 (Green)
This indicates the state of communication between inverter PCB and fan
controller. (Not Used)
Normal Condition: Activated / ON
Abnormal Condition: Deactivated / OFF
• DSW101
No setting is required.
When setting the No.1 pin to ON, the electric current
detection is canceled.
The No.1 pin should be set back to OFF after electrical
work.
INV1 INV2
123
ON
OFF
456 123
ON
OFF
456
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