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8 Troubleshooting
8.1 Before Troubleshooting
Please notice the following items before troubleshooting:
Disconnect the load-break switch before operation.
Please do not touch the bare metal parts of the copper bar under the
protection plate.
Pull the fuse holder for maintenance of the combining busbar and to
disconnect the input cable.
High voltage still exists after load-break switch is switched off.
The fuse holders are still live after fuses are removed.
8.2 Common Faults and Troubleshooting
Indicator Faults
Neither “RX” nor “TX”
lights up.
RS485
communication fault
Refer to "5.4.4 Communication
Connections" to check the
communication connection.
“RX” flashes and
“TX” does not light
up.
Refer to "5.6 Communication
Settings" to reset the address.
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