MAN0878-09-EN_XLE_XLT_UserManual
A u g u s t 2 3 , 2 0 1 8 P a g e 144 | 158
Below are the steps to replace the battery.
1. Make sure the user program and any data stored in retentive memory is backed up.
2. Disconnect all power from the XLE/XLT unit including I/O power.
3. Using a Phillips screwdriver, remove the four (4) screws on the back of the XLE/XLT unit
by turning the four (4) corner screws counter clockwise. Remove the back cover.
4. Carefully remove the I/O board (if present) by lifting it straight up.
5. Remove the old battery. It may require a small flat blade screwdriver to lift it from the
holder.
6. Dispose of the battery properly; see the above warning on disposal regulations.
7. Slide the new battery into the holder. Make sure the battery is inserted with the proper
polarity. The top tab of the battery holder should contact the positive (+) terminal of the
battery.
8. Place the I/O board back into the case by aligning the connecting and pressing straight
down.
9. Place the back cover back on the unit.
10. Place the screw back into the hole and turn the screw slowly counter clockwise until
“clicks” into the threads. This will prevent the screw from being cross threaded. Now
turn the screw clockwise until the cover is firmly secured. Repeat this process for all
four (4) screws. Recommended torque is 3 - 4 in-lbs (0.34 – 0.45 Nm).
11. Apply power to the unit. Check that the battery error is no longer reported. If the unit
still reports the error, remove the battery immediately and contact Technical Support.
Figure 18.1 – Replacing the back-up battery
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