FORMA: Service & Maintenance manual - rev. 3.0
Page 6.2
6.1. THE DISPLAY DOES NOT ILLUMINATE
This problem occurs when the supply voltage fails to reach the display.
Are the fuses OK?
Is mains lead OK?
Does the wall outlet supply the
correct voltage?
Replace the blown
fuses
Replace the mains lead
Connect machine to a
suitable
electrical outlet
THE DISPLAY
DOES NOT
ILLUMINATE
Is the mains voltage present at
the power supply input?
NO
YES
NO
YES
NO
YES
NO
YES
1
A
B
Continued on the following page.