Model G0886 (Mfd. Since 01/19)
-51-
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.
SECTION 7: SERVICE
Troubleshooting
Motor & Electrical
Symptom
Possible Cause
Possible Solution
Hydraulic
motor does not
start, or power
supply breaker
immediately
trips after
startup.
1. Emergency stop button depressed/at fault.
2. Master power switch turned OFF/at fault.
3. Power supply circuit breaker tripped or fuse
blown.
4. Incorrect power supply voltage or circuit size.
5. Wiring disconnected, broken, or corroded.
6. Thermal overload relay(s) tripped/at fault.
7. Hydraulic motor contactor not energized/poor
contacts/at fault.
1. Rotate button to reset; test/replace if at fault.
2. Turn master power switch ON; test/replace if at fault.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse
4. Ensure correct power supply voltage and circuit size.
5. Replace/fix broken, disconnected, or corroded wires.
6. Reset; adjust trip load dial; replace if at fault.
7. Test all legs for power; replace if at fault.
Main motor
does not start.
1. Hydraulic pump, vise close, and blade start
buttons not pressed/buttons at fault.
2. Lower limit switch triggered/at fault.
3. Proximity sensor too far from workpiece.
4. Main motor contactor not energized/poor
contacts/at fault.
1. Press hydraulic pump, vise close, and blade start
buttons; test/replace if at fault.
2. Adjust limit switch; replace if at fault (
Page 54).
3. Position proximity sensor with
1
⁄
4
" of workpiece.
4. Test all legs for power; replace if at fault.
Headstock
does not raise/
lower.
1. Incoming power supply out of phase.
1. Switch any two of three incoming power supply wires
on plug or hardwire connection.
Machine
stalls or is
underpowered.
1. Feed rate too fast; blade speed too low.
2. Machine undersized for task.
3. Blade not correct for material being cut.
4. Improper workpiece material for saw/blade.
5. Blade slipping on wheels.
6. Belt slipping; motor pulley slipping on shaft.
7. Blade dull, or installed backwards.
8. Main motor overheated.
9. Main motor contactor has poor contacts.
10. Main motor at fault.
1. Reduce feed rate (
Page 36); increase blade speed
(
Page 32).
2. Use correct, sharp blade; reduce feed rate (
Page 36);
use applicable coolant/lubricant.
3. Use correct blade for operation (
Page 26).
4. Only cut correct material for saw blade/type.
5. Adjust blade tracking (
Page 54), tension (Page 30).
6. Tension/replace belt (
Page 49); replace pulley/shaft.
7. Replace blade (
Page 28). Ensure teeth face cutting
direction.
8. Clean main motor, let cool, reduce workload.
9. Test all legs for power; repair/replace if at fault.
10. Test/repair/replace.
Machine has
vibration or
noisy operation.
1. Main motor, motor mount, or components
loose.
2. Blade damaged or dull.
3. Belt worn or loose.
4. Main motor fan rubbing on fan cover.
5. Pulley loose.
6. Main motor bearings at fault.
7. Gearbox at fault.
1. Re-tighten component; inspect/replace damaged bolts/
nuts.
2. Replace blade (
Page 28).
3. Inspect/tension/replace belt (
Page 49).
4. Fix/replace fan cover; replace loose/damaged fan.
5. Re-align/replace shaft, pulley, set screw, and key.
6. Turn shaft; loose shaft requires bearing replacement.
7. Rebuild gearbox and replace bad gear(s)/bearing(s).
