Section 7: Service; Troubleshooting - Grizzly G1021X2 Owner's Manual

SEctiON 7: SERvicE

review the troubleshooting 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. Stop button depressed/at fault.
start, or power-
2. incorrect power supply voltage or circuit
supply fuse/breaker
size.
trips immediately
3. thermal overload relay has tripped.
after startup.
4. power supply circuit breaker tripped or fuse
blown.
5. Motor wires connected incorrectly.
6. Wiring open/has high resistance.
7. Start button switch at fault.
8. Centrifugal switch/contact points at fault.
9. Start capacitor at fault.
10. thermal overload relay has tripped.
11. Contactor not energized; has poor
contacts.
12. Motor at fault.
Machine stalls or is 1. Machine undersized for task.
underpowered.
2. Workpiece not suitable for machine.
3. Motor overheated, causing thermal
overload to trip.
4. Belt(s) slipping; oil/grease on belt(s).
5. dull knives/inserts.
6. dust-collection problem causing internal
components to clog up with shavings.
7. Motor wired incorrectly.
8. Centrifugal switch/contact points at fault.
9. run capacitor at fault.
10. pulley slipping on shaft.
11. Contactor not energized/has poor contacts.
12. Motor bearings at fault.
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troubleshooting

Possible Solution
1. rotate button head to reset; replace if at fault.
2. Ensure correct power supply voltage and circuit
size.
3. reset; adjust trip load dial if necessary; replace.
4. Ensure circuit is sized correctly and free of shorts.
reset circuit breaker or replace fuse.
5. Correct motor wiring connections.
6. Check/fix broken, disconnected, or corroded wires.
7. replace switch.
8. adjust/replace centrifugal switch/contact points if
available.
9. test/replace if at fault.
10. reset; adjust trip load dial if necessary; replace.
11. test all legs for power/replace.
12. test/repair/replace.
1. reduce feed rate/depth of cut.
2. only cut wood/ensure moisture is below 20%.
3. allow motor to cool, reset overload if necessary,
and reduce depth of cut.
4. Clean/tension/replace belt(s) (Page 41); align
pulleys (Page 42).
5. Sharpen/replace knives (Page 28), or replace
inserts (Page 31).
6. Clear blockages in dust chute/ducting, ensure dust
collector is operating efficiently.
7. Wire motor correctly.
8. adjust/replace centrifugal switch/contact points if
available.
9. test/repair/replace.
10. tighten loose pulley; replace pulley/shaft if
damaged.
11. test all legs for power/replace.
12. test/repair/replace.
G1021X2 & G1021Z (Mfd. Since 08/16)