Grizzly G0894 Owner's Manual page 37

Machine Operations
Symptom Possible Cause
Inconsistent cutting 1. Loose cutter.
depth. 2. Spoilboard not flat.
3. Z-axis ball screw has too much movement.
4. Workpiece loose.
5. Z-axis limit switch at fault.
6. CAM/G-code at fault.
Machine fails to 1. Incorrect machine parameters.
home, or moves 2. Faulty connection.
beyond soft limits 3. Limit switch not aligned.
when homing. 4. Loose limit switch wire.
5. Limit switch at fault.
6. Circuit board at fault.
7. 50-pin data cable at fault.
Display shows "out 1. Toolpath outside of working envelope.
of soft limits error".
2. Toolpath too large for working envelope.
3. Work origin incorrect in G-code.
4. Incorrect machine parameters.
5. Incorrect coordinate system in CAM
software.
Controller not 1. Incompatible file.
processing 2. Electrical interference.
correctly.
3. Incorrect machine parameters.
Finished workpiece 1. Pulse equivalent incorrect.
incorrect size.
2. Incorrect cutter.
Spindle moves in 1. Faulty connection between limit switch and
opposite direction circuit board.
when homing. 2. Homing direction set incorrectly in
controller.
3. Limit switch at fault.
4. Electrical interference triggering limit
switch.
5. Circuit board at fault.
6. 50-pin data cable at fault.
Axis will not 1. One axis not moving.
move after
controller receives 2. All axes not moving.
commands.
Axis movement 1. Ball screws worn.
and location not 2. Ball screw/motor coupler worn.
repeatable.
Model G0894 (Mfd. Since 05/19)
Possible Solution
1. Tighten spindle collet (Page 25).
2. Clean/resurface spoilboard (Page 26).
3. Inspect/tighten/replace if needed.
4. Secure workpiece with clamps (Page 26).
5. Test/replace.
6. Review G-code and correct errors.
1. Verify machine parameters (Page 22).
2. Find/secure connection.
3. Inspect/adjust.
4. Secure connection.
5. Inspect/replace if needed.
6. Inspect/replace if needed.
7. Replace cable.
1. Reset work origin and secure workpiece so toolpath
falls within working envelope.
2. Revise toolpath/break up toolpath into multiple
sections.
3. Revise toolpath.
4. Verify machine parameters (Page 22).
5. Set correct coordinates in CAM software.
1. Reformat G-code and re-upload to controller.
2. Retrace wiring and isolate the strong from the weak
electrical currents and the ground.
3. Verify machine parameters (Page 22).
1. Verify controller parameters and update pulse
equivalent (Page 22).
2. Use correct cutter for job.
1. Retrace wiring to determine where bad connection
is located.
2. Input correct homing parameters (Page 22).
3. Replace.
4. Reset circuit.
5. Replace.
6. Replace.
1. Check connection to motor. Check 50-pin
connection to circuit board.
2. Inspect 50-pin cable and circuit board connection
Inspect power supply to stepper motors. Inspect
mechanical components, such as ball screw
connections. Repair/replace as needed.
1. Inspect/repair.
2. Inspect/repair.
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