Pitney Bowes DM100i Series Service Manual & Parts List page 33

Table 4-2 Keyboard and Display Faults
Fault checkpoints
Keyboard Wiring from keyboard to J4. Keyboard PCB.
failure. Does not
respond.
No display. Machine may be in sleep mode. Is front panel
LED orange?
Check display contrast.
Machine not getting power.
No display, front panel LED off, but print head
initializes at start up.
See Table 4-1 for power ON an initialization
faults.
Display does not Meter appears to be "stuck" on the same
change. display for an extended period of time.
SDT345A DM100i/DM200i Service Manual & Parts List
4 • Troubleshooting
Possible causes/Solutions
Poor connection at keyboard, wiring and
connection at Main Logic Board, J4.
Press any key to wake unit.
Adjust display contrast as required.
Power cord not plugged in. Power cord plugged
into a switched or defective outlet. Try another
wall outlet. If unit is plugged into a power strip,
move the power cord to a functioning wall
outlet.
Check connector J4.
Power cycle the meter to reboot and start over.
4-3