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Copyright © Huawei Technologies Co., Ltd. 2020
Troubleshooting Flowchart
Procedure
Description
00
Find that the status or function of a
device is abnormal when using or
inspecting the device.
01
Collect all information to diagnose
and locate the fault.
02
Refer to documents or use tools to
analyze the collected information
and locate the root cause of the fault
using fault location methods.
03
Rectify the fault based on the
standard operation procedure.
04
Check the status or function of the
device to confirm that the fault is
rectified successfully.
05
Perform preventive measures to
prevent fault recurrence.
00 A fault is
detected.
01 Collect
information.
02 Diagnose and
locate the fault.
03 Develop and
implement the
fault rectification
method.
Is the fault
located?
04 Re-check
the fault.
05 Take preventative
measures.
Is the fault
rectified?
Finish
No
Yes
No
Yes