Huawei FusionModule1000A20 Maintenance Manual page 130

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 3 Locate the cause why the pre-fab. module door cannot be opened after verifying
that the devices are running properly.
Possible causes why a pre-fab. module door cannot be opened are as follows:
● Replace the access card and assign the access permission if the access card is faulty.
● Replace the end door card reader if it is faulty.
● Replace the exit button if it is faulty.
● Replace the magnetic lock if it is faulty.
● Replace the access controller if it is faulty.
Step 4 (Optional) Reinstall the terminal of the emergency door release button after the
fault is rectified.
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Follow-up Procedure
Analyze the cause of the fault, and work out and record the preventive measures.
Issue 03 (2022-12-15)
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