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
●
Tools: step ladder, Phillips screwdriver, flat-head screwdriver, extracting kit
●
Material: a new circuit breaker of the same model
Non-Hot-Swap Circuit Breaker
NO TICE
● During the replacement, the output power of the power distribution unit is
unavailable.
● Before the replacement, ensure that the load services are not affected or obtain
written consent from the customer.
● The procedure for replacing a 3-pole circuit breaker is the same as that for
replacing a 1-pole circuit breaker. The following uses a 3-pole circuit breaker as
an example.
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.
New Main Way 2.0
User Manual
8 Parts Replacement
Issue 05 (2020-10-15)
Copyright © Huawei Technologies Co., Ltd.
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