G 6 4 0 M i c r o I n v e r t e r
U s e r M a n u a l
G 6 4 0 U M d r a f t
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If the Signal Strength LEDs status shows 3 or 4 solid green lights, but there is no
communication:
•
Turn the PLC Box termination resistor on
Troubleshooting the Data Logger
If the monitoring system is not operating correctly, use the steps below to
troubleshoot the problem. If the issue cannot be resolved using these steps,
please contact inverter maker’s technical services.
Power LED did not turn on:
•
Verify that the Power adapter is connected to the Data Logger and the AC
outlet.
•
Verify that there is power in the AC outlet.
Serial Port LED did not turn on:
•
Check the RS485 connection between the Data Logger and the PLC Box.
•
Verify the PLC Box has power.
WLAN LED did not turn on:
•
Check the WLAN connection between the Data Logger and the router(Internet).
•
Verify the router has power.
Содержание G640
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