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New Main Way 2.0
User Manual
Step 4 Remove the ring that secures the alarm indicator.
Figure 8-22 Removing the ring
Step 5 Remove the connecting terminal of the indicator and connect it to the new
indicator.
Step 6 Secure the new indicator.
Step 7 Reinstall the fuse that protects power supply for the monitoring board.
Step 8 Reinstall the protective cover for the general input unit.
Step 9 Reconnect the communications cable and the DC power cable to the general input
unit.
Step 10 Check that the general input unit is working properly and the device is
communicating normally.
----End
8.9 Replacing the Output Circuit Breaker of the Power
Distribution Unit
●
●
Non-Hot-Swap Circuit Breaker
● During the replacement, the output power of the power distribution unit is
● Before the replacement, ensure that the load services are not affected or obtain
● The procedure for replacing a 3-pole circuit breaker is the same as that for
Step 1 Turn off the circuit breaker of the power distribution unit.
Step 2 Remove the communications cable and the DC power cable and mark the
installation positions.
Issue 05 (2020-10-15)
Tools: step ladder, Phillips screwdriver, flat-head screwdriver, extracting kit
Material: a new circuit breaker of the same model
NO TICE
unavailable.
written consent from the customer.
replacing a 1-pole circuit breaker. The following uses a 3-pole circuit breaker as
an example.
Copyright © Huawei Technologies Co., Ltd.
8 Parts Replacement
67
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