Section 7: Service; Troubleshooting - Grizzly G0825 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section if a problem develops with your machine. If
you need replacement parts or additional help with a procedure, call our Technical Support. Note: Please
gather the serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom Possible Cause
Machine does not 1. Plug/receptacle at fault/wired wrong.
start, or a circuit
2. Incorrect power supply voltage/circuit size.
breaker trips
3. Power supply circuit breaker tripped/fuse
immediately upon
blown.
startup.
4. Glue pot has not reached operating
temperature.
5. Blown fuse on machine.
6. Master power switch off/at fault.
7. Motor wires connected incorrectly.
8. Wiring open/has high resistance.
9. Circuit board at fault.
10. Motor at fault.
Motor stalls or is 1. Motor overheated.
underpowered.
2. Chain slipping; oil/grease on belt(s).
3. Motor(s) wired incorrectly.
4. Plug/receptacle at fault.
5. Pulley/sprocket slipping on shaft.
Machine has 1. Motor or component loose.
vibration or noisy
operation.
2. Sprocket loose.
3. Machine incorrectly mounted to work table.
4. Motor shaft bent.
Control panel 1. Control panel reads: Er1.
readout shows error
code.
2. Control panel reads: Er2.
3. Control panel reads: Er3
4. Control panel reads: Er4
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Troubleshooting

Possible Solution
1. Test for good contacts; correct wiring.
2. Ensure correct power supply voltage/circuit size.
3. Ensure circuit is sized correctly and free of shorts;
reset circuit breaker/replace fuse.
4. Allow glue pot to reach 155°C.
5. Check/replace blown fuses.
6. Turn switch ON; test/replace switch.
7. Correct motor wiring connections.
8. Check/fix broken, disconnected, or corroded wires.
9. Inspect/replace.
10. Test/repair/replace.
1. Allow motor to cool.
2. Clean/tension/replace chain (Pages 29).
3. Wire motor(s) correctly.
4. Test for good contacts/correct wiring.
5. Replace loose pulley/shaft.
1. Inspect/replace damaged bolts/nuts, and retighten
with thread-locking fluid.
2. Re-align/replace shaft and pulley set screw.
3. Tighten mounting bolts; relocate/shim machine.
4. Test with dial indicator and replace motor.
1. Indicates voltage error. Check input voltage to
ensure it is adequate for edgebander.
2. Indicates motor error. Contact Technical Support for
assistance.
3. Indicates heating element error. Signals when
heating element exceeds 220ºC. Turn machine OFF
and disconnect from power; call Technical Support
for assistance.
4. Indicates temperature-detecting wire error. Turn
machine OFF and disconnect from power; call
Technical Support for assistance.
Model G0825 (Mfd. Since 02/17)