STEPRACE: Service & Maintenance Manual - rev. 1.2
Page 6.2
6.1. THE DISPLAY DOES NOT ILLUMINATE
This error occurs when the supply voltage fails to reach the display.
Are the fuses OK?
Is the mains lead OK?
Does the wall output supply the
correct voltage?
Is the mains voltage present
at the output of the power
input socket?
Replace the blown
fuses
Replace the mains lead
Connect machine to a
suitable
electrical output
Replace the input
socket / on-off
switch block of the
machine
Replace cable ST-3
THE DISPLAY
DOES NOT
ILLUMINATE
Is the mains voltage present at
the power supply input?
NO
YES
NO
YES
NO
YES
NO
YES
YES
1
2
NO
A
Continued on the following page.