How To Troubleshoot The Fault When The System Is In Upgrade Mode - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Figure 5-49 DIP switch position
(1) Teamwork communication 1&2
(3) DIP switch S1 of the main control board
Step 3 Connect the main power supply of the device.
Wait about 30s. All user passwords are restored to the initial ones.
Step 4 Disconnect the main power supply of the device.
Step 5 Set all bits of the DIP switch S2 to non ON.
Step 6 Connect the main power supply of the device.
----End
5.12 How to Troubleshoot the Fault When the System
Is in Upgrade Mode
Context
The system will display the following information and enter upgrade mode when
the model cannot be identified or does not match, or the software versions of the
LCD and control board are incompatible:
●
●
●
●
In upgrade mode, you can only view the system version information. In this case,
perform the following steps for troubleshooting.
Issue 12 (2020-10-28)
The model cannot be identified. Entering upgrade mode...
The model does not match. Entering upgrade mode...
Failed to obtain the version information. Entering upgrade mode...
The display board and control board software versions are incompatible.
Entering the upgrade mode...
Copyright © Huawei Technologies Co., Ltd.
(2) J127 FE port (reserved)
(4) DIP switch S2 of the main control board
5 ACC Introduction
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