Mitsubishi Electric F940 Hardware Manual page 90

F940GOT-SWD-E/LWD-E
CAUTION
• Make sure to turn off the power before attaching or removing an extension module.
If an extension module is attached/removed while the power is supplied, the contents
stored in the memory or the EPROM memory itself may be damaged.
• Never disassemble nor modify the unit.
If the unit is disassembled or modified, failure, malfunction or fire may be caused.
* For repair, contact MITSUBISHI ELECTRIC SYSTEM SERVICE.
• Turn off the power before connecting or disconnecting a connection cable.
If a connection cable is connected/disconnected while the power is supplied, failure or
malfunction may be caused.
Cautions on disposal
• When disposing of the unit, handle it as industrial waste.
Consumable parts which may shorten the service life are not built in the GOT.
However, the service life is 5 years in the battery, approximately 50,000 hours in the LCD
and 25,000 hours or more in the backlight.
It is recommended to replace these parts periodically using the procedure described
below.
In addition, inspect other equipment and pay rigid attention to the following points.
Maintenance 5.
5-2