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emWEB-15WT
(
Hardware and Software Manual
)
•
Installation
©
Janz Tec AG
Rev. 1.1
4.3
Micro SDcard Replacement
NOTICE
Power must be turned off before removing or inserting the micro SDcard
To replace the micro SD card, remove all screws located on the rear panel. After lifting the housing,
you can access the Micro SD card slot.
4.4
Battery Replacement
CAUTION
The installed computer board is equipped with a Lithium battery.
Danger of explosion if battery is incorrectly replaced. Replace only with battery of the
same or equivalent type (3-volt lithium coin cell battery).
•
Do not attempt to recharge the battery.
•
Do not disassemble, crush, puncture, short external contacts, or dispose of
in fire or water.
Compatible battery type: CR2032 (3 Volt lithium coin cell battery)
The battery is used for backing up the system time when the power supply is removed.
1. Turn off the computer properly through the operating system, then turn off any external
devices.
2. Disconnect the power supply from the power inlet and disconnect any external devices.
3. Disassemble the housing by removing the located screw on the back side and lifting the
housing. Then locate the battery on the Janz Tec board.
4. Remove the battery from the holder (See figure 5)
5. Insert the new battery (See figure 5)
6. Re-assemble the housing
figure 5: Removing and replacing coin cell battery
1. Removal: Insert screwdriver at right side and bend so that the battery
pops out. Use only gentle force, otherwise the battery holder might be
damaged.
The use of a plastic tool is preferred to avoid shorting the battery
2. Insertion: Align new battery to the left side of the holder and gently
press down on the right side of the battery until the battery snaps into
the holder.
