Fisher Scientific 150 Homogenizer Manuel D'utilisation page 7

PROBLEM
The 150 Homogenizer 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
PTFE bearing wears quickly
Troubleshooting
- Check power cord connectors
- Check wall socket for power to the outlet
- Check that the brushes are not worn
and are correctly installed.
- Check that the brushes are not worn
and are correctly installed.
- Fluid level may be too low in the tube.
- Immerse the probe deeper into the fluid.
CORRECTIVE ACTION