Background
Your machine axes require power and control signals to work. If either of those are disrupted you can lose any or all axis motion. If all of your motors are not working, go to https://tormach.atlassian.net/wiki/spaces/1100MX/pages/3602186609/All + Axes + Won+'t + Move + When + Commanded - 1100MX
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Tools
Digital multimeter
Small flat-bladed screwdriver
Metric hex wench set
Phillips screwdriver
Table of Contents
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Reseat the
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Connectors on the
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ECM Board and Motors
Reason: Control signals aren't reaching the electronic driver modules/servo motors.
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Continue to the next troubleshooting topic.
Inspect the
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Servo
Reason: There's a defective or malfunctioning axis driver/cable.
Examine the motor status LED and compare it to the manufacturer's blink code document.Continue to the next troubleshooting topic.
View file name ClearPath Blink Codes.pdf Continue to the next troubleshooting topic.
Inspect the DC
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Power Supply
Reason: There's a blown fuse on the DC-BUS board.
Power on the machine and take it out of reset.
Examine the green LED on the DC-BUS board.
Power off the machine.
Remove the cover from the DC-BUS board.
Using the table below, locate the corresponding axis fuse and measure its resistance across the fuse with a digital multimeter set to resistance.
Replace the fuse if the digital multimeter reads OL, shows a resistance in the MΩ, and/or doesn’t produce continuity tone.
If the fuse measures 0-5 Ω, reinstall it.
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| Info |
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A blown fuse can be the result of a deceive driver or wiring. Inspect the axis' wiring carefully and repair any damage observed. If you replace a fuse and it immediately blows, it's likely a defective axis drive or its wiring. |
Inspect the
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Motor Cables
Reason: There's a defective motor or motor connection.
Power off the machine.
Unplug the servo's cables and examine the motor and cables for signs of coolant or contamination.
If there is coolant or contamination: Replace the servo and cable.
If there is nothing: Reconnect the cable and continue to the next step.
Power on the machine, and check LED blink code once more. Look for any change.
Inspect the
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Motor Coupling
Reason: There's a loose axis motor coupling.
Jog the axis and listen to determine if you can hear the motor run.
Remove the cover plate over the coupling and make witness marks across the coupling and ball screw.
Jog the axis to determine if the motor's turning but the screw isn't.
If the coupling is slipping, locate the hex screws and tighten them down.
Ensure
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Oil is
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Getting to the
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Motion System
Reason: Oil isn't getting to the ways and ball screw.
Examine the oil level in the oiler.
Investigate the oiling system for lack of oil and/or plugged lines (for more information, see Tormach service bulletin SB0031).
Push
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Fresh Oil Through the System
Reason: There's oil residue from long-term storage.
Repeatedly pump oil and slowly jog the axis.
If the machine has been sitting for a significant amount of time, the oil layer may have a suction effect. Continue to the next section to see how to manually move an axis on your mill.
Axis is
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Stuck at Max Travel Limit
Reason: The axis motor faulted on start-up at end of travel.
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Power off the machine.
Locate the motor couple of the axis that is producing the error and turn it by hand away from the end of travel.
Power on the machine and take it out of reset.
Try to reference the axis that was faulting.
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Inspect the
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Gib Positions
Reason: The gibs are too tight.
Follow the gib adjustment procedure: Mill Gib/AC Bearing Adjustment and Backlash Compensation - 1100MX
Clean the
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Ball Screw
Reason: There's debris on the ball screw.
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