Replacing A T/H Sensor; Replacing The Wifi Module - Huawei FusionDC1000A Maintenance Manual

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
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-Pro.
----End

4.3.10 Replacing a T/H Sensor

Prerequisites
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Procedure
Step 1 Remove cables from the T/H sensor.
Step 2 Remove the T/H sensor from its base.
After removing cables, wrap exposed terminals with insulation tape and do not
block cable labels. If cable labels are blocked, cables may be connected incorrectly.
Step 3 Install a new T/H sensor onto the base.
Before removing a T/H sensor, remember the DIP switch setting on it. When you
install a new T/H sensor, you need to set the same DIP switch setting for the new
one.
Step 4 Reconnect cables to the new T/H sensor.
----End

4.3.11 Replacing the WiFi Module

Impact on the System
The app cannot be connected to the ECC800-Pro, and the smart module
information cannot be properly displayed.
Preparations
Material: WiFi module
Issue 01 (2021-04-20)
Recommended tools: Phillips screwdriver, flat-head screwdriver
A T/H sensor needs to be replaced.
A spare T/H sensor of the same model is available and functional.
NO TICE
NO TICE
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4 Parts Replacement
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