Huawei NetCol5000-A User Manual page 55

ACC Precision Air Conditioner Controller
User Manual
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Procedure
Step 1 Tap Shutdown on the screen and wait for the system to shut down.
Step 2 Disconnect the main power supply of the device.
Step 3 Switch the first and second toggles of DIP switch S2 to ON, and switch the third and fourth
toggles to OFF on the main control board.
Figure 5-4
Figure 5-4 DIP switch position
Step 4 Connect the main power supply of the device.
Step 5 After the restart completes, the LCD displays a dialog box asking you to confirm the
operation of restoring factory settings.
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Step 6 Disconnect the main power supply of the device.
Step 7 Switch the first to fourth toggles of the S2 DIP switch on the main control board to OFF.
Issue 02 (2016-11-30)
If you restore factory settings, all system data will be restored to the state before delivery,
including login passwords, operation logs, parameter configurations, alarms, and
performance statistics. Perform this operation with caution as it may affect other users.
To ensure device security, operate the DIP switch after powering off the main power
supply of the device.
To ensure information security and prevent malicious password reset, you must keep the
cabinet keys securely. If any abnormal operation is found, check the information in the
equipment room access control system and monitoring system.
shows positions of DIP switches on the main control board.
To continue restoring factory settings, tap Yes, go on the next step.
Otherwise, tap No.
If you do not confirm the operation within 30s, the dialog box disappears, and the process of restoring
factory settings is terminated.
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