RUN XT: Service & Maintenance Manual - rev. 2.0
Page 6.27
A
Is fuse F1 of the up-down board OK?
NO
Replace the fuse
YES
Does the up-down board receive the
mains electricity supply?
NO
Check and/or replace the
cable connecting the
up-down board to the
filter
YES
Does the voltage at output by the
transformer-rectifier reach the
up-down board?
NO
Replace the up-down
board: see paragraph
7.12.
YES
Is the voltage at the transformer
output correct?
Replace the transformer:
see paragraph 7.12.
Replace the rectifier
bridge: see paragraph
7.12.
YES
NO
5
6
7
Continued on the following page.