45
45
TROUBLESHOOTING
Operational
Symptom
Possible Cause
Solution
Motor will not start or
fuses or circuit breakers
blow
Emergency stop button
depressed.
Short circuit in power cord or
connections.
Start capacitor faulty.
Thermal overload breaker set
too low.
Short in motor windings.
Reset the Emergency stop
button.
Check and repair or replace the
power supply cord and its
connections.
Replace the start capacitor.
Check the thermal overload
setting. It should be at 16 amps.
Replace the motor.
Motor fails to develop full
power or motor decreases
power under load.
Overheats or Stalls
Motor overloaded during
operation. Such as taking too
deep of a cut.
Poor air circulation around
motor.
Motor run capacitor faulty.
Low line voltage.
Check depth settings. Specified
settings are for typical material.
If material has high moisture
content or some other variable
then the depth setting may need
to be decreased.
Clean the motor fins and the
area around the motor to insure
normal air flow.
Replace the run capacitor.
Check the incoming power
supply during operation to verify
that it meets specification.
Cutter head slow to start
or squeals on start-up.
Slows or squeals during
operation.
Drive belts loose.
Drive belts worn out
Tighten drive belts.
Replace drive belts.
Loud continuous noise
when motor is running.
Defective drive belt(s).
Loose pulley(s)
Bearings on cutter head
defective.
Bearings in motor defective.
Foreign object/debris contacting
the drive system.
Replace the drive belts.
Align and tighten the pulley(s).
Replace cutter head bearings.
Replace the motor bearings.
Clean the motor cabinet of any
debris.
WARNING:
Disconnect machine from the power source before attempting
any troubleshooting.
Summary of Contents for JP-1250
Page 24: ...21 21 ELECTRICAL DIAGRAM Connection Diagram ...
Page 49: ...46 46 CABINET PARTS DIAGRAM ...
Page 51: ...48 48 JOINTER TABLE PARTS DIAGRAM ...
Page 53: ...50 50 CUTTER HEAD AND FEED ROLLER PARTS DIAGRAM ...
Page 55: ...52 52 FEED ROLLER DRIVE PARTS DIAGRAM ...
Page 57: ...54 54 PLANER TABLE PARTS DIAGRAM ...
Page 61: ...58 58 FENCE PARTS DIAGRAM ...
Page 63: ...60 60 NOTES ...