One week or longer:
1. Prime the pipettor system.
2. Remove all primary sample tubes, used osmometer sample cups,
and used wiper rings.
3. Empty the waste bottle.
4. Wipe up any spills on the work surfaces.
5. Close the front door.
6. Turn off the instrument.
7. Unplug the power cord from the wall outlet.
8. Cover the instrument.
Troubleshooting checks
Check operational requirements. If you are experiencing difficulties
with your instrument, first carefully review the operational requirements
listed in the product specifications and the recommended setup and
operating procedures.
Check fuses. You will find the fuse holder beside the power cord con-
nector on the back panel of the instrument (Figure 10). Switch the
power switch to the off position and disconnect the power cord. Use a
small flat-bladed screwdriver or similar tool to pry out the fuse holder.
Visually check for a blown fuse. If there is any doubt, test the fuses
with a continuity checker or ohmmeter, or simply replace them with
new fuses.
Check error messages. The software of your instrument is designed in
such a way that any incomplete task will be associated with an error
message, many self-explanatory, that will help you discover the source
of your problem. You can find all error messages and descriptions of
what they mean in Appendix A.
Fuse replacement
If you determine that your instrument is not functioning because of
blown fuses, you will need to replace the fuses using the following pro-
cedure:
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Troubleshooting & Service
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