STI-2420 | STI-2418LP
Operating Manual
28
8.0 Troubleshooting / Diagnostics
8.1 Diagnosis of Failures
8.2 Diagnosis of Electrical Failure
8.1
Diagnosis of Failures
Prior to any repair work on the machine or drives, the machine must be secured
against unintentional start-up. Put the machine in its Safety-off position.
Failure
Possible Reasons for the
Failure
Corrective Actions
Unusual Vibrations
Uneven or loose surface be-
ing ground
Verify suitability of substrate
being ground.
Loose or damaged tooling
Inspect tooling to make sure
that all connecting hardware is
tight and tool is firmly seated to
holder.
Unusual Noise
Uneven or loose surface be-
ing ground
Verify suitability of substrate
being ground.
Loose or damaged tooling
Inspect tooling to make sure
that all connecting hardware is
tight and tool is firmly seated to
holder.
Shroud is dragging on the
floor
Adjust shroud and tighten to no
more than ¼ inch above floor
Reduced performance or
no performance
Diamond tooling is worn or
damaged
Inspect diamond tooling for
remaining abrasive. If depleted,
replace with new tooling.
Dust being produced
Shroud is out of adjustment
Adjust shroud and tighten to no
more than 2 mm above floor.
Dust hose is clogged
Inspect dust hose and ports
for debris that may be clogging
hose.
Dust collector malfunction
Verify dust collector is operating
properly
