Operations and Maintenance Manual Troubleshooting
Version 1.2 - June 2004 14 - 27
FINE SPINDLE SERVO
Cause:
• Controller error due to loss of
control.
• Inverter malfunction.
• Servo amplifier requires adjustment.
• Check the red LED on the servo
amp.
Resolution:
• Check for obstructions.
• Check inverter.
• Consult factory.
• Replace servo amp or amp fuse.
SERVO WATER
COARSE SERVO H20
Cause: Water flow through coarse grind
spindle motor housing < minimum.
Resolution: Increase water flow: Check
source or open needle valve. (> 0.25 GPM)
FINE SERVO H20
Cause: Water flow through fine grind
spindle motor housing < minimum.
Resolution: Increase water flow: Check
source or open needle valve. (> 0.25 GPM)
LT CHUCK SERVO H20
Cause: Water flow through left chuck
spindle motor housing < minimum.
Resolution: Increase water flow: Check
source or open needle valve. (> 0.10 GPM)
RT CHUCK SERVO H20
Cause: Water flow through right chuck
spindle motor housing < minimum.
Resolution: Increase water flow: Check
source or open needle valve. (> 0.10 GPM)
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