FusionModule1000A20 CT Solution
Maintenance Guide
5 Parts Replacement
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
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Step 7
Connect one end of a spare quick-connect terminal to the main line, and connect the other end
to the power supply of the spare hydrogen exhaust fan.
Step 8
Switch on the power circuit breaker of the hydrogen collector.
If the fan rotates after power-on, the hydrogen exhaust fan is working properly.
----End
Follow-up Procedure
Dispose of the removed hydrogen exhaust fan that is confirmed faulty.
5.3 Replacing Monitoring System Components
5.3.1 Replacing an ECC800 Main Control Module
Prerequisites
A spare ECC800 main control module of the same model is available and functional.
The ECC800 main control module is hot-swappable.
Before disconnecting cables from the ECC800 main control module, label the cables based
on the corresponding ports.
Impact on the System
None
Preparations
Tools: ESD wrist strap, ESD gloves, Phillips screwdriver, label, marker
Material: spare ECC800 main control module
Documents: ECC800 user manual
Skill requirement: extra low voltage (ELV) engineer
Procedure
Step 1
Use the
Back Up Current Settings
function to record the ECC800 configuration information
or manually record the information.
Step 2
Label each cable and antenna based on the corresponding ports on the ECC800 main control
module.
Step 3
Remove the cables and antenna from the ECC800 main control module.