O_3765 – BUCHI DuMaster D-480 User Manual

Page 246

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Operation Manual D-480

©BÜCH Labortechnik AG

9 - Repairing the instrument

246

 The electrical section is now visible.

 Pull out the fuse holder of the appropriate fuse.

 Press the fuse out.

 Check the fuse:

If the fuse wire...

... is visible: Check whether the wire is broken or not.

... is not visible: Measure fuse continuity.

 Make a decision for the further proceeding:

If...

... the fuse wire is broken: Insert a new fuse of the same type.

... no continuity was measured on the fuse: Insert a new fuse of the same type.

... the fuse wire is OK: Insert the old fuse again.

... continuity was measured on the fuse: Insert the old fuse again.

Phase 3: Insert fuses

Proceed as follows:

 Make sure that the fuse specifications match the label on the fuse holder.

 Insert the fuse into the appropriate fuse holder and tighten the semiconductor relay holding plate

again.

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