Renishaw PI 200, Руководство по установке

Страница: 49 / 52

Fault finding
Table - There is an unexpected loss of accuracy.
PI 200 indicators:
‘TP200’ LED is ON.
‘SEATED’ LED operates normally.
Possible cause Checks/remedies
• The stylus ball is damaged or dirty.
• The stylus is too large or too
heavy.
• The probe is loose or not correctly
assembled.
• The kinematic coupling is
damaged or dirty.
• The gauging speed has been
changed.
• The trigger threshold has been
changed.
• Clean the stylus ball, or replace and
requalify the stylus.
• Use stylus arrangements within
recommendations.
• Check the stylus joints.
• Ensure the module is correctly seated
and the probe is tight in the probe head.
• Inspect and clean the kinematic coupling.
• Requalify the stylus tips.
Table - The deflection alarm is active.
PI 200 indicators:
Audible indicator is ON.
Possible cause Checks/remedies
• The stylus is or was deflected for
longer than 10 seconds.
• The stylus module was changed
manually.
• Move the stylus clear of any obstruction
and press the RESET button.
Table 20 - TP200 fails to work.
PI 200 indicators:
‘STOP’ LED ON.
‘POWER’ LED ON.
Possible cause Checks/remedies
• The M8 bush polarity is incorrect. • Change the PI 200 probe polarity switch
to the opposite state.