AMX 8.5" Color Passive LCD Touch Panels - Manual (Page 49)

Replacing the Batteries
45 Color Passive-Matrix LCD Touch Panels
Replacing the Batteries
There are two lithium batteries on the touch panel card, with a life of approximately 5 years. They
protect stored commands and pages against a power outage. The batteries are not used when DC
power is supplied to the touch panel. You should write down the replacement date on a label by
adding 5 years to the date of installation, and attach it to the panel for future reference.
Before replacing the lithium batteries, make sure you have a current copy of the pages stored in the
touch panel. This will avoid any inadvertent loss of data or a service outage. To replace the lithium
batteries, you will need a Phillips screwdriver and a non-conducting flat-blade tool to slip under
each battery to pry it up and out of the socket.
AXT-CP Batteries
Remove the lithium batteries from the AXT-CP:
1. Discharge the static electricity from your body by touching a grounded object.
2. Remove the two-pin power connector from the rear side of the touch panel. If you are using
power via AXlink, remove the AXlink connector.
3. Flip the touch panel face down onto a soft cloth, and remove the seven Phillips-head screws
from the bottom panel. Then, gently remove the panel.
4. Remove the Phillips-head screw located in the center of the circuit card.
5. Gently tilt the circuit card down towards the connector side and pull backwards until you clear
the connector housing. Then, slowly rotate the circuit card backwards until you can lay it down
flat with the batteries exposed.
6. Carefully slide one battery out of its socket, and insert the new battery
.
7. Rotate the circuit card back to the original position and place it in the touch panel housing. Do
not insert the mounting screw.
FIG. 18 Lithium battery and socket
Static electricity can damage electronic circuitry. Before removing the touch panel
circuit card from the enclosure, discharge any accumulated static electricity from your
body and flat-blade tool by touching a grounded metal object.
There is a danger of explosion if you replace the battery incorrectly. Replace the
battery with the same or equivalent type recommended by the manufacturer. Dispose
of the used battery according to the manufacturer’s instructions. Never recharge,
disassemble, or heat the battery above 212 °F (100 °C). Never solder directly to the
battery or expose the contents of the battery to water.