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Problem
If the material does not feed properly
If the circuit breaker trips repeatedly
If the unit does not run
If chips do not eject from the rear of
the unit
If the branch (house/shop) circuit
breaker trips repeatedly
14
Troubleshooting Guide
Possible Cause
Check for dull knives.
Check for excess clogging in the
dust shroud.
Check for excess oil/debris/pitch on
feed rollers.
Check for excessively twisted, cupped
or bowed material.
Check for a broken drive belt.
Dull knives
The depth of cut is higher.
The feed rate is higher.
Check to see if the unit is plugged in.
Check to see if the top cover is
properly in place.
Check to see if the dust shroud is
properly in place.
Check to see if the circuit breaker
needs to be reset.
Check to see if the motor brushes
are depleted.
Check for excess clogging in the
dust shroud and fan..
Check to see if the dust shroud is
properly in place.
Even under normal loading conditions,
other electrical loads on the same
branch circuit may cause the circuit
breaker to trip.
Dull knives
The depth of cut is higher.
The feed rate is higher.
Possible solution
Rotate or replace as necessary. Refer to Changing the Planer
Knives section.
Refer to Periodic Maintenance and Figures P–R in the Changing
or Rotating the Planer Knives section.
Refer to Periodic Maintenance and Cleaning paragraphs under
the Maintenance section.
Refer to Twisted, Cupped and Bowed Wood paragraph in the
Basic Planing section.
Refer to Replacing the Drive Belt paragraph in the
Maintenance section.
Dull knives can cause motor overloading, rotate or replace as
necessary. Refer to Changing the Planer Knives section.
NOTE: Circuit breaker overload is often the result of dull knives.
If the circuit breaker on your planer trips, check the sharpness
of your knives before attempting to reset the breaker in order to
continue planing.
An overly aggressive cut could cause motor overloading. Refer
to the Depth Adjustment paragraph in the Assembly and
Adjustments section and Material Removal Gauge paragraph
in the Operation section.
Drop feed rate to 14 ft/min. A reduction in feed rate will reduce the
load on the motor and prevent breaker trips.
Ensure unit is plugged into the appropriate outlet, refer to the
General Safety Instructions section.
Refer to Figure P for proper location.
Refer to After Installing New Knives.
Refer to Circuit Breaker Reset Button paragraph under the
Maintenance section.
Refer to Brushes paragraph under the Maintenance section.
Refer to Periodic Maintenance and Chip Ejection Fan
paragraphs in the Maintenance section.
Refer to After Installing New Knives.
Unplug or turn off other devices sharing the circuit with the planer
OR use the planer on another branch circuit by itself.
Dull knives can cause motor overloading, rotate or replace as
necessary. Refer to Changing the Planer Knives section.
An overly aggressive cut could cause motor overloading. Refer
to the Depth Adjustment paragraph in the Assembly and
Adjustments section and Material Removal Gauge paragraph
in the Operation section.
Drop feed rate to 14 ft/min. A reduction in feed rate will reduce the
load on the motor and prevent breaker trips.
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