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Haas Technical Documentation
Vector Drive - Troubleshooting Guide
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The Haas Vector drive is the source of power for the spindle
motor and the servo amplifiers. There are three sizes of Haas
Vector drives: 20HP [1], 40HP [2] and 60HP [3].
Electrical Diagram
Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017
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Summary of Contents for Haas Vector Drive 20HP
- Page 1 The Haas Vector drive is the source of power for the spindle motor and the servo amplifiers. There are three sizes of Haas Vector drives: 20HP [1], 40HP [2] and 60HP [3]. Electrical Diagram Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 2 REGEN REMAINED ON TOO LONG AC power. The vector The Machine Fails to Maintain drive output is Measure voltage outputs across the vector drive terminals. Spindle Orientation. unbalanced. Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 3 Before beginning any work inside the control cabinet the High Voltage indicator light on the 320V Power Supply / Vector Drive must have been off for at least 60 seconds Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 4 2 (+), 9 (A), 10 (B) and 11 (C). Wait until the reading on your meter settles. If the meter does not show OPEN (O.L) the vector drive is damaged. Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 5 A low resistance or a short is a sign of a faulty servo amplifier. If the readings match and the alarm continues, the problem is a faulty vector drive. Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 6 If the temperature is above 60°C and the fan is not ON, the vector drive has a faulty cooling fan. Replace the cooling fan. Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
- Page 7 The voltage must be 160-175VDC in all three readings. If any of the voltage readings is 0V or 330V, then this is a sign of an unbalanced output from the vector drive. Copyright 2017 by Haas Automation, Inc. No unauthorized reproduction | Last Published On August 21, 2017...
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