PROBE IS TRANSMITTING SPURIOUS READINGS
Damaged cables. Check and replace cable if damage is found.
Electrical interference. Move transmission cables away from other
cables carrying high currents.
System malfunction or Shield from intense light sources
inducing intermittent e.g. xenon beams.
errors.
Electrically isolate OMM from the machine
to prevent any possibility of earth loop.
Ensure there are no arc welders, stroboscopes
or other high intensity light sources in close
proximity to the probe system.
Poorly regulated power Ensure power supply is correctly regulated.
power supply.
Excessive machine Eliminate vibration.
vibration.
Loose mountings or styli. Check and tighten loose connections.
PROBE FAILS TO RESEAT CORRECTLY
Probe trigger occurred Move stylus clear of workpiece.
on reseat.
Inner and/or outer probe Inspect/replace outer diaphragm.
diaphragm is damaged. Return to supplier if inner diaphragm
is damaged.
1-36
FAULT FINDING - If in doubt, consult your probe supplier.
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