Fault Finding - Renishaw MP12 Manuel D'installation Et D'utilisation

FAULT FINDING – If in doubt, consult your probe supplier.
PROBE FAILS TO SWITCH ON
Probe is already
switched on.
Dead batteries.
Batteries installed
incorrectly.
Probe out of range
or not aligned with
the OMM/OMI.
Beam obstructed.
OMM/OMI signal
too weak.
No OMI start
signal.
No power to MI 12
or OMI.
PROBE STOPS MID-CYCLE
Beam obstructed.
Probe collision.
Damaged cable.
Power supply lost.
Probe unable to
find target surface.
If necessary, switch probe
off.
Change batteries.
Check battery installation.
Check alignment and if
OMM/OMI fixing is secure.
Check if OMM/OMI
window is clean. Remove
obstruction.
See performance
envelope on pages 1-4
and 1-6.
See page 1-30.
Check if stable 24 V
supply is available. Check
connections and fuses.
Check OMI/MI 12 error
LED. Remove obstruction.
Find cause and rectify.
Check cables.
Check power supply.
Part missing or out of
position.
PROBE CRASHES
Inspection probe using
tool setting probe
signals.
Workpiece obstructing
the probe path.
Probe length offset
missing.
POOR PROBE REPEATABILITY
Debris on part.
Tool change
repeatability is poor.
Loose mounting of
probe on shank/ loose
stylus.
Excessive machine
vibration.
Calibration and update
of offsets not occurring.
Calibration and probing
speeds not the same.
Calibrated feature has
moved.
Measurement occurs
as stylus leaves
surface.
1-25
When two systems
are active, isolate the
tool setting probe.
Review probe
software.
Review probe
software.
Clean part.
Verify probe
repeatability using
single point move.
Check and tighten as
appropriate.
Switch on enhanced
trigger circuit.
Eliminate vibration.
Review probe
software.
Review probe
software.
Check position.
Review probe
software.