Exide Technologies Section 94.30 - Manual (Page 63)

SERVICING THE AT10.1
59
Replacing the Main Control (A1) and/or Gate Driver (A11) pc boards
For details of this procedure, refer to service instruction (
JD5012-00
).
CAUTION: Printed circuit boards A1 and A11 are sensitive to
damage from static discharges. Leave replacement pc boards in
their anti-static bags until you are ready to install them. Ground
yourself before handling these boards by touching the ground stud
on the back of the door. Handle these boards only by their edges.
Turn off and remove all power to the AT10.1. Disconnect the battery
from the output terminals. Note that A1 and A11 are mounted together as
a pair. Remove the signal wire harness plug from J18 at the upper left
edge of A11. If present, remove the summary alarm contact wires from
TB3 at the bottom of A1. If present, remove the serial cable connecting
J3 on the main control board to the Auxiliary Alarm Relay pc board (A5).
If the optional temperature compensation probe is installed, remove the
main wires from TB8 on the bottom of A1 and remove the shield wire
from J6 at the top-left side of A1. Make sure all wires are detached from
the two (2) pc boards.
The boards are mounted on ten (10) plastic standoffs. Compress the tab
on each standoff, and pull the boards toward you until they clear all the
standoffs. If you are replacing only one board, carefully separate the
existing boards and reconnect the replacement board. Put the replacement
board(s) in place on the front panel with the same orientation, and push
them onto the standoffs. Be sure that the boards are fully seated on all ten
standoffs. Re-connect the signal wire harness plug to the boards,
matching the orientation when removed. If earlier removed, reconnect
any wires to on A1. See Section 2.1 for the steps to restart the AT10.1.
If your charger parameters (float voltage, etc.) are different from the
factory preset values, you should program in the new values now. See
Section 2.3. You should also recalibrate the dc voltmeter according to
Section 2.3.7.
Replacing the ac input or dc output circuit breaker (CB1/CB2)
Turn off and remove all power to the AT10.1. Disconnect the battery
from the output terminals. This includes remote sense wires if they were
installed. Check with a voltmeter before proceeding. Open the front
panel and remove the plexiglas safety shield. Remove the mounting
screws for the circuit breaker on the circuit breaker bracket, and carefully
remove the circuit breaker from the AT10.1. Remove the wires from the
terminals, one at a time, and transfer the wires to the terminals of the
replacement breaker. Be sure the terminal fasteners are tight. Install the
replacement breaker into the bracket, reversing the procedure above, using
the original mounting screws.