MAN. PS 254 EN – Ind. 2 63
4.2. Maintenance and
troubleshooting
4.2.1. Replacing fuses
Warning A fuse blowing out indicates
in most cases a problem
somewhere in the electrical
installation. You must
resolve the problem before
replacing the fuse. Be careful
when switching on the
machine after you change a
fuse.
You will find the fuses in four areas:
• The sector fuses F1, F2, F3 are situated in
the main divider. To access this, you need
to remove the left side plate of the
generator, after having already removed
the roof.
• The fuses protecting the secondary
transformer (FU1 - FU7) can be found on
the top level and are accessible just by
removing the roof of the generator.
• Two fuses RF1 and RF2 are situated on
the relay card WK-3 A2 and another one is
located on the +12V/ +5V power supply
card.
Fig. 4.14: Location of the fuses
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