Huawei FusionModule1000A20 Maintenance Manual page 118

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the
extinguishant control panel.
Step 2 Remove the screws on the panel of the extinguishant abort button using a Phillips
screwdriver.
Figure 6-32 Removing the extinguishant abort button
Step 3 Disconnect the cables from the extinguishant abort button, and remove the panel
of the extinguishant abort button.
Figure 6-33 Disconnecting cables from the extinguishant abort button
As a resistor is installed on the loop of the extinguishant abort button, remove the resistor, and
connect the resistor to the corresponding terminals of the new extinguishant abort button when
you replace the extinguishant abort button.
Issue 03 (2022-12-15)
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6 Parts Replacement
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