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Micro
ARE-M Series 24V Chargers, Single Phase
Maintenance
PM990-1070-24, Issue 12
6-22
6.9
CONTROL AND DISPLAY BOARD
Figure 6-12 shows the Control and Display Board. There are no user-serviceable parts on the board. Board
substitution is recommended when troubleshooting.
FIGURE 6-12 CONTROL AND DISPLAY BOARD
6.9.1
Replacing the Board
Use caution when servicing or replacing the board since battery voltage is present on the board whenever the
battery string is connected to the charger.
1.
Refer to Chapter 4 Setup and Operation and turn off the charger.
2.
Loosen the two quarter-turn captive fasteners and open the front panel. The board is located on the rear of
the front panel.
3.
Disconnect the large ribbon cable to the Interface board. Disconnect the smaller ribbon cable to the keypad.
4.
Remove the screws securing the board and remove the board.
5.
Fasten the board to the rear of the front panel using the screws removed above.
6.
Install the ribbon cables disconnected above.
7.
Turn on the charger and test its operation and setup.
2-Line LCD Display
AC
On/Off
LED
Alarm LED