Lathem PC3500TX - Manual (Page 29)

PC3500TX Terminal Installation & User’s Guide - 25
A P P E N D I X C
Troubleshooting the Terminal
Problem: Terminal does not power up and no lights are on.
Reason: Your power is not connected.
Solution: Ensure that the power pack is plugged into a live AC outlet. Ensure that
the other end of the power pack is plugged into the terminal.
Problem: Terminal display is blank (no characters or back light).
Reason: Your power is not connected.
Solution: Ensure that the power pack is plugged into a live AC outlet. Ensure that the
other end of the power pack is plugged into the terminal. Test the outlet by
plugging in another appliance.
NOTE: The terminal will operate for about 4 hours with the optional battery
backup after losing the primary voltage source. Then the terminal will
power off. The yellow light on the front of the terminal turns on when
operating from battery.
Problem: Yellow Low Power light is on.
Reason: The terminal is running on the backup battery.
Solution: Ensure that the power pack is plugged into a live AC outlet. Ensure that
the other end of the power pack is plugged into the terminal. Test the
outlet by plugging in another appliance.
Reason: Your AC voltage has dropped below acceptable levels.
Solution: Check to see if any appliance that draws a lot of current is on the same
electrical line as the terminal. Place the appliance on another line.