FusionModule1000A20 CT Solution
Maintenance Guide
5 Parts Replacement
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
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Follow-up Procedure
Dispose of the removed T/H sensor that is confirmed faulty.
5.3.12 Replacing an AC Actuator
Prerequisites
A spare AC actuator of the same model is available and functional.
Before replacing the AC actuator, ensure that the upstream AC input power is off.
Impact on the System
Lights in the data center will turn off.
Preparations
Tools: insulation gloves, Phillips screwdriver, step ladder, label, marker
Materials: spare AC actuator
Documents: none
Skill requirement: extra low voltage (ELV) engineer
Procedure
Step 1
Switch off the upstream AC input circuit breaker for the AC actuator.
Step 2
Label each cable based on the corresponding ports on the AC actuator.
Step 3
Open the cover on the front panel of the AC actuator, and disconnect the cables.
Step 4
Remove the faulty AC actuator.
Step 5
Install the spare AC actuator in the original position and connect the cables.
Step 6
Switch on the upstream AC input circuit breaker for the AC actuator and press the wireless
communications button on the AC actuator to network the AC actuator with the ECC800.
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Follow-up Procedure
Dispose of the removed AC actuator that is confirmed faulty.
5.3.13 Replacing a WiFi Converter
Prerequisites
A spare WiFi converter of the same model is available and functional.