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Chapter 5 Maintenance
3. Insert the new controller into the subrack power system, reconnect the terminals J2, J6, J7, and then tighten the
locking screw of the controller.
4. After restarting the controller, set the parameters according to 4.4 Setting System Parameters and actual
configuration.
5.3.3 Replacing Logic Board
The position of the logic board is shown in Figure 5-5. The replacing procedures of the logic board are as follows:
1. Switch off the battery MCB (see Figure 5-6) and system AC output MCB.
2. Loosen all the fixing screws on the top cover of the subrack power system, and remove the top cover.
3. Unplug all the cable connectors connected to the logic board.
The terminal layout of the logic board is shown in Figure 5-5.
4. Loosen the four fixing screws of the logic board, and then remove the logic board, as shown in Figure 5-6.
5. Replace a new logic board and install the new logic board according to the above reverse steps.
6. Switch on the battery MCB and system AC output MCB.
Figure 5-4 Replacing the controller
H1
H2
Figure 5-5 Connection terminal layout
Figure 5-6 Dismantling logic board
NetSure 2100 A31-S1 Subrack Power System User Manual
Locking screw
松不脱螺钉
监控模块
Controller
H4
J2
J1
H3
Logic board
Battery MCB
Fixing screw (4 pcs)
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