32
Fault-finding
Symptom
Cause
Action
Poor system
repeatability.
Mounting screws not fully tightened.
Tighten screws to specified torque.
Loose stylus.
Check 2 securing screws M3 × 3
are tight. If stylus is still loose, check
tightness of stylus mount with tool
M-5000-3707.
Swarf on stylus cube.
Remove swarf.
Enable “air bleed” or air blast.
APC not mounted as recommended.
Mount on solid base.
Probing feedrate is too high for the
machine controller.
Perform repeatability trials at various
feedrates.
Temperature variation is causing
excessive movement of the machine
and the APC.
Minimise machine and APC
temperature changes.
Increase the frequency of calibration.
Machine has poor repeatability due
to loose encoders, backlash, tight
slideways and/or accidental damage.
Perform health check on machine.
No probe
output.
Wiring fault.
Check wiring.
Probe has failed.
Return APC to Renishaw for service.
“Air bleed”
not working.
“Air bleed” supply not connected or
faulty.
Check air connections.
Summary of Contents for APCA 45
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Page 14: ...APC HSI HSI C 76 dB A x Before you begin continued...
Page 32: ...18 Pneumatic set up continued APCA with air bleed circuit 2 Bulkhead V3 V2 V1...
Page 34: ...20 Bulkhead V2 V1 APCS with air bleed circuit 3 Pneumatic set up continued...
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