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Fault-finding
Symptom
Probe fails to switch on
or switch off.
Cause
Installation / CNC program fault.
OMM-2C flashes blue, yellow,
violet and cyan due to
ambiguous start information
being received.
The probe is out of the start
range.
The transmission beam is
obstructed.
Incompatible probe /
probe transmission setting.
Incorrect Machine Start setting.
Dead probe batteries.
Optical interference is blocking
the start signal.
Action
Correct M-code and/or wiring from
machine to OSI and from OSI to
OMM-2C and/or CNC program.
Correct M-codes in CNC program
when two are used. To reset the
error, deactivate all active machine
start inputs. Select 50 ms or
100 ms delay.
Change the CNC program to bring
the probe within the start range of
the receiver.
Clean the receiver window and
remove any obstructions.
Ensure the probe switch-on /
switch-off method is set to optical
on / optical off.
Change the probe or probe setting
to modulated and appropriate start
code.
Reconfigure the Machine Start
setting switch SW2.
Replace the probe batteries.
Remove the source of interference
and ensure that interfering light
does not shine onto the receiver
window or probe window.
5.1
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