Motor Brake
Corrective Action:
Reseat the the connection for connectors P79 or
P78 [1] on the I/O PCB.
Measure the voltage across the red and black
cables.
Press
[EMERGENCY STOP]
. There should be no
voltage.
Press
[RESET]
to clear the alarms. The voltage
should be between 20-30 VDC.
Examine the connection at the motor's brake [2]
and power connectors [3] for contamination. Reseat
the connections.
If no voltage is present, refer to:
•
NEXT GENERATION CONTROL - I/O
PCB - TROUBLESHOOTING GUIDE
•
I/O PCB -TROUBLESHOOTING GUIDE
(CLASSIC HAAS CONTROL)
Sigma 1 - Axis Servo Motor and Cables - Troubleshooting Guide
Page 7 of 7 pages