Section 5 - Troubleshooting - Omni GLH User Manual

General laboratory homogenizer
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SECTION 5 — TROUBLESHOOTING
Do not attempt to service the Omni GLH in a manner other than those
discussed in this manual. For any issue that is unsuccessfully corrected
using this guide, please contact your authorized dealer or call Omni
International at 1-800-776-4431.
PROBLEM
The Omni GLH is plugged in and
turned on but is not functioning.
Motor is turned ON and makes a
makes a "buzzing" sound, but is
not working.
Motor unit operating speed
declines, stalls intermittently, or
stops completely
Excessive noise during
normal operation
Excessive noise during run-in of a
new bearing
Teflon bearing wears quickly
Excessive splashing in sample tube - Fluid level too low for tube size
Motor won't start or shuts off
while processing
CORRECTIVE ACTION
- Check power cord connectors
- Check wall socket for power
to the outlet
- Check that the brushes are not
worn and are correctly installed.
Replace if necessary.
(see Section 2.2)
- Check that the brushes are not
worn and are correctly installed.
Replace if necessary.
(see Section 2.2)
- Check the condition of the PTFE
bearing and replace if needed
(see Section 3.5).
- Turn the Omni GLH OFF and
return to step B of Section 3.5
- Fluid level may be too low
in the tube.
- Immerse the probe deeper
into the fluid.
- Press down on the breaker
(115v only)
15

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