STEP 600 XTPRO: Service & Maintenance Manual - rev. 1.1
Page 6.3
NO
Is the mains voltage present
at the filter output?
Is the mains voltage present
at the power supply input?
Are DC voltages output by
the power supply correct?
Replace the filter
Replace cable
connecting the filter to
the power supply
Replace the power
supply
YES
NO
YES
NO
YES
3
4
5
Is the mains voltage present
at the filter input?
2
Replace cable
connecting the input
socket / on-off switch
block to the filter
YES
Do all DC voltages reach the
alternator interface board?
Replace cable
connecting the power
supply to the alternator
interface board
NO
A
NO
B
6
Continued on the following page.
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