11: TROUBLESHOOTING
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Specifications subject to change without notice.
Page 222 UM10811: 1500MX Operator's Manual (Version 0424A)
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Cause: There's no power to the servo drive output stage.
Probability How-To Steps
High There are loose power or control wires in the K1 contactor circuit.
1. Power off the machine (see Power Off the Machine).
2. Examine the circuit for loose wires.
3. Power on the machine (see Power On the Machine) and test operation.
4. Check for 24 Vdc between wires 4015 and 4105 at the K1 contactor coil.
Probability How-To Steps
Low Thermal switch (TS1) tripped, preventing K1 from latching.
1. Power off the machine (see Power Off the Machine).
2. Allow the brake resistor to cool, and reset thermal switch by pressing reset button (between its two terminals).
3. Power on the machine (see Power On the Machine) and test operation.
4. 4. Check for 24Vdc between wires 4015 and 4105 at the K1 contactor coil.
Probability How-To Steps
Low The control board isn't providing a run command or holding the K1 contactor on.
1. Check D57 Spindle Drive Contactor Start Pulse LED on the Servo IO Breakout Board as you command a spindle
rotation through PathPilot.
2. Check for 24 Vdc between wires 4192 and 4193 at the J31 connector on the Servo IO Breakout Board.
Cause: The servo drive tripped.
Probability How-To Steps Need More?
Low
If the servo drive tripped, check the error code and troubleshooting steps
on the PathPilot Status screen.
Cause: The belt is loose or broken, or sheaves are not fixed to the motor or the spindle.
Probability How-To Steps
Low
Power off the machine (see Power Off the Machine). Then, examine the mechanical system.
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