Troubleshooting - Chicago Electric 91222 User Manual

Troubleshooting

Problem
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset breaker
4. Internal damage or wear. (Carbon
Tool operates slowly. 1. Excess pressure applied to workpiece.
2. Power being reduced by long or
Performance Carbon brushes worn or damaged.
decreases over time.
Excessive noise Internal damage or wear.
or rattling. (Carbon brushes or bearings, for example.)
Overheating. 1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by long or
Tool does not 1. Disc accessory may be loose on
grind, sand or
brush effectively.
2. Disc accessory may be damaged,
Follow all safety precautions whenever diagnosing or
servicing the tool. Disconnect power supply before service.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
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Possible Causes
tripped (if equipped).
brushes or switch, for example.)
small diameter extension cord.
small diameter extension cord.
Spindle. Check tightness of Outer
Flange Arbor Nut or threaded
disc accessory on Spindle.
worn or wrong type for the material.
For technical questions, please call 1-800-444-3353.
Likely Solutions
1. Check that cord is plugged in.
2. Check power at outlet. If outlet is unpowered,
turn off tool and check circuit breaker. If
breaker is tripped, make sure circuit is right
capacity for tool and circuit has no other loads.
3. Turn off tool and allow to cool.
Press reset button on tool.
4. Have technician service tool.
1. Decrease pressure, allow tool to do the work.
2. Eliminate use of extension cord. If an
extension cord is needed, use one with the
proper diameter for its length and load. See
Extension Cords in GROUNDING section.
Have qualified technician replace brushes.
Have technician service tool.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while
blowing dust out of motor using compressed air.
3. Eliminate use of extension cord. If an
extension cord is needed, use one with the
proper diameter for its length and load. See
Extension Cords in GROUNDING section.
1. Be sure disc accessory is of correct dimension
and Outer Flange Arbor Nut is tight.
2. Check condition and type of disc
accessory. Use only proper type of
disc accessory in good condition.
SKU 91222