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
Step 2 Set bits 1 and 3 of the DIP switch S2 to ON, and other bits to non ON.
Figure 5-49
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:



Issue 10 (2019-01-15)
shows positions of DIP switches on the main control board.
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...
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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