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SPA3-2 installation guide
www.renishaw.com
Troubleshooting
Fatal faults
The SPA3-2 monitors internal operational functions. If any of these reach a defined level where the system believes it is dangerous to operate
a fatal fault will be applied.
When a fatal fault is detected it is not possible to engage the servo system. There may be other faults that prevent the CMM from engaging.
Reported fatal fault
Emergency stop
Air pressure
Crash
Scale failure
Overspeed
Over temperature
Issued 08 2020
Possible cause
Emergency stop system activated
Internal failure of servo power amplifier
Faulty wiring
Air pressure low
Blocked machine air filter
Incorrectly adjusted air regulator
Faulty wiring or air switch
Crash switch activated
Incorrectly adjusted or faulty crash switch
Faulty wiring
Scale readhead failed
Scale miscount
Scale not connected
Dirty or damaged scale
Faulty wiring
The position demand has exceeded an internal defined limit
Failure of a tacho feedback
Incorrect scale resolution
Incompatible scale readhead
Faulty wiring
Fan filter blocked
Prolonged high output current at high environment temperature
Internal servo power amplifier fault
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