Self-Diagnostics/Machine Malfunctions; User Error :U Code - Panasonic DP-150 Service Manual

5.2 Self-diagnostics/Machine Malfunctions

1. User error: U code
Error
Description
code
U1 Right cover (opened)
Error
Description
code
U1 Right cover (opened)
Check Item
1) Is the right cover closed?
2) Contact failure of the right cover open/close
sensor connector
3) Right cover open/close sensor malfunction
4) Contact failure of the low voltage power supply PCB
connector
5) Low voltage power supply PCB malfunction
6) Contact failure of the main CPU PCB connector
7) Main CPU PCB malfunction
Remarks
5-11