-42-
Model M1112 (For Machines Mfd. Since 12/20)
SE
RV
IC
E
Troubleshooting
Symptom
Possible Cause
Corrective Action
Motor will not
start.
1. Main power panel switch is
OFF
.
2. Emergency switch is pushed in.
3. Circuit breaker or fuse has tripped.
4. No voltage or open connection.
5. Capacitor is at fault.
6. Motor direction switch is at fault.
7. Power switch or magnetic contactor is at
fault.
8. Motor is at fault.
1. Turn the main power panel switch
ON
.
2. Rotate emergency switch so it pops out.
3. Seek an electrician to troubleshoot and repair the
shop power supply.
4. Test circuit, replace wires and connections as
required.
5. Replace capacitor.
6. Replace switch.
7. Replace power switch or magnetic contactor.
8. Replace motor.
Fuses or circuit
breakers trip
open.
1. Short circuit in line cord or plug.
2. Short circuit in motor or loose connections.
3. Incorrect fuses or circuit breakers in power
supply.
1. Inspect cord or plug for damaged insulation and
shorted wires.
2. Inspect all connections on motor for loose or
shorted terminals or worn insulation.
3. Install correct fuses or circuit breakers.
Machine is
loud belt slips
when cutting.
Overheats or
bogs down in the
cut.
1. Excessive depth of cut.
2. RPM or feed rate wrong for operation.
3. Dull cutters.
4. Belt is slipping.
5. Belt is at fault.
1. Decrease depth of cut.
2. Refer to RPM feed rate chart for appropriate
rates.
3.
Sharpen or replace cutters.
4. Remove grease or oil on belt or pulleys/tighten belt
tensioner against low range belt.
5. Replace belt.
Gear change
levers will not
shift into posi-
tion.
1. Gears not aligned in headstock.
1. Rotate spindle by hand until gear falls into place.
Loud, repeti-
tious noise com-
ing from machine
at or near the
motor.
1. Pulley set screws or keys are missing or
loose.
2. Motor fan is hitting the cover.
1. Inspect keys and set screws. Replace or tighten if
necessary.
2. Tighten fan or shim cover, or replace items.
Motor & Gearbox
SERVICE
Continued on next page
The following troubleshooting tables cover common problems that may occur with this machine. If you
need replacement parts or additional troubleshooting help, contact our Technical Support.
Note:
Before contacting Tech Support, find the machine serial number and manufacture date, and if
available, your original purchase receipt. This information is required to properly assist you.