Kurzweil PC4 SE - Troubleshooting Guide; Troubleshooting Power On Issues

Troubleshooting
Maintenance
8-1
Chapter 8
Troubleshooting
Use this chapter to learn how to maintain your PC4 SE and solve operational problems.
Maintenance
Clean the PC4 SE with a soft cloth dampened with water. Never use abrasives or solvents as
they may damage the PC4 SE.
Power On Problems
is is the normal power on sequence:
1. e display backlight turns on.
2. “Loading...” appears in the display for a few seconds.
3. e PC4 SE enters Program Mode with Program 1 or the default boot up Program
selected.
If your PC4 SE does not follow the normal power on sequence, check the problems and
solutions below:
Problem The PC4 SE does not power on
Solutions Plug the power cable securely into the wall outlet.
Plug the power cable securely into the PC4 SE power jack.
Use a different wall outlet, power strip, or extension cord.
Problem The PC4 SE powers on but operation is abnormal
Solution Try plugging the power cable into a different wall outlet on a
different circuit.
Problem The PC4 SE powers on but the display is difcult to read
Solution Adjust the rear panel display brightness knob.