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Machine Operations
Symptom
Possible Cause
Axis will not
1. One axis not moving.
move after
control panel
receives
2. All axes not moving.
commands.
3. Incorrect value(s) in RDWorks Vendor Settings.
Axis movement
1. Origin incorrectly set in artwork file.
and location
not repeatable.
2. One or more stepper driver(s) have incorrect DIP
switch configuration.
3. Guideway(s) contaminated or damaged.
4. One or more synchronous belt(s) are damaged or
binding.
One or more
1. Controller/stepper motor connection loose.
axes only
2. Incorrect value(s) in RDWorks Vendor Settings.
move in one
3. Control panel/controller at fault.
direction.
4. Stepper motor(s) at fault.
5. Stepper driver(s) at fault.
One or more
1. Direction wire and pulse wire switched on
axes will not
controller connector.
move.
2. Stepper motor(s) disconnected.
3. Stepper motor(s) at fault.
4. No pulse signal from controller.
Machine fails
1. Incorrect value(s) in RDWorks Vendor Settings.
to home, or
2. Faulty connection.
moves beyond
3. Proximity/limit switch not aligned.
soft limits when
4. Loose proximity/limit switch wire.
homing.
5. Proximity/limit switch at fault.
6. Controller at fault.
Auxiliary Systems Operations
Symptom
Possible Cause
Auxiliary
1. Machine circuit breaker tripped or at fault.
system does
not start,
or machine
2. Blown receptacle fuse.
circuit breaker
3. Incorrect power supply voltage or circuit size.
immediately
trips after
startup.
4. Power supply circuit breaker tripped or fuse
blown.
5. Control/ground wiring broken, disconnected, or
corroded.
6. Power supply at fault.
-58-
Possible Solution
1. Check connection to stepper motor. Check control
panel connection to controller. Adjust stepper
driver DIP switch configuration (Page 82).
2. Check control panel connection to controller.
Adjust stepper driver DIP switch configuration
(Page 82). Inspect/replace power supply to
stepper motors or faulty gantry components.
3. Contact Grizzly Tech Support.
1. Review RDWorks settings and verify that origin is
set correctly.
2. Adjust stepper driver DIP switch configuration
(Page 82).
3. Clean and lubricate guideways (Page 48). Inspect
guideway(s) for damage, replace if at fault.
4. Inspect/replace synchronous belt(s) (Page 61).
Realign pulleys if necessary.
1. Inspect connections and ensure all are secure.
2. Contact Grizzly Tech Support.
3. Inspect/replace control panel/controller.
4. Inspect/replace stepper motor(s).
5. Adjust stepper driver DIP switch configuration
(Page 82). Replace if at fault.
1. Rewire direction/pulse wire on controller
connector.
2. Reconnect stepper motor(s).
3. Inspect/replace stepper motor(s).
4. Inspect/replace controller.
1. Contact Grizzly Tech Support.
2. Find/secure connection.
3. Inspect/adjust proximity/limit switch.
4. Secure connection.
5. Test proximity/limit switch (Page 28). Repair/
replace proximity/limit switch.
6. Inspect/replace if at fault.
Possible Solution
1. Reset machine circuit breaker; connect auxiliary
systems to power supply separate from machine
(Page 16).
2. Replace receptacle fuse/ensure no shorts.
3. Ensure correct power supply voltage and circuit
size; connect auxiliary systems to power supply
separate from machine (Page 16).
4. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
5. Fix broken control/ground wires or disconnected/
corroded connections.
6. Inspect/test/replace if at fault.
Model G0911–G0914 (Mfd. Since 05/21)
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