Chapter 4: Maintenance And Troubleshooting; Safety Reminders - NCR 6932 User Manual

Maintenance and Troubleshooting
Chapter 4:

Safety Reminders

Carefully follow these safety requirements before servicing the keyboards.
• The keyboard does not contain any user serviceable parts and should only be
• Before servicing the keyboard, plug your ground strap into a proper grounding
• To protect the internal circuitry from damage, unplug the power cord and then
• The power cord is used as the main disconnect device. Ensure that the socket outlet
• The keyboard should only be powered by a Safety Extra Low Voltage (SELV) power
• If the peripheral does not have a fuse, it must be powered by an SELV power
• If the peripheral has a fuse, replace only with the same type and ratings of fuse for
serviced by a qualified service technician.
outlet. Failure to do so may damage it. Also, disconnect the power cord from the
POS terminal to which the keyboard is connected and disconnect the cables from
the POS terminal to the keyboard.
momentarily press the power switch to drain the power supply capacitance.
is located or installed near the equipment and is easily accessible.
supply source with an available power level of 5 amperes or less, and suitable for
the country of installation. The power source must be certified by the appropriate
safety agency for the country of installation.
supply source.
continued protection against risk of fire.