STEP EXCITE: Service & maintenance manual - rev. 1.4
Page 6.5
6.2. THE DISPLAY FAILS TO ILLUMINATE
This error occurs when the power supply voltage is not reaching the upper assembly.
6.2.1. 500I AND 700I MODELS
Does the wall outlet supply the
correct v oltage?
Is the mains lead OK?
Is the voltage at the
output of the machine's
power entry module
correct?
Plug the machine into a
working electrical outlet
Replace the mains lead
Replace the power
entry module on the
machine
THE DISPLAY
DOES NOT
ILLUMINATE
NO
YES
NO
YES
NO
YES
A
1
Are the f uses OK?
Replace the fuses
YES
NO