Chicago Electric 66615 Troubleshooting, Problem Possible Causes Likely Solutions

Troubleshooting

Problem		Possible Causes		Likely Solutions
Tool will not start.	1.	Cord not connected.	1.	Check that cord is plugged in.
	2.	No power at outlet.	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.	Internal damage or wear. (Carbon	3.	Have technician service tool.
		brushes or switch, for example.)
Tool operates slowly.	1.	Excess pressure applied to workpiece.	1. Decrease pressure, allow tool to do the
				work.
	2.	Power being reduced by long or small	2.	Eliminate use of extension cord. If an
		diameter extension cord.		extension cord is needed, use one with
				the proper diameter for its length and load.
				See Extension Cords in GROUNDING
				section.
Performance	Carbon brushes worn or damaged.		Have qualified technician replace brushes.
decreases over time.
Excessive noise or	Internal damage or wear. (Carbon		Have technician service tool.
rattling.	brushes or bearings, for example.)
Overheating.	1.	Forcing tool to work too fast.	1.	Allow tool to work at its own rate.
	2.	Blocked motor housing vents.	2.	Wear ANSI-approved safety goggles and
				NIOSH-approved dust mask/respirator
				while blowing dust out of motor using
				compressed air.
	3.	Motor being strained by long or small	3.	Eliminate use of extension cord. If an
		diameter extension cord.		extension cord is needed, use one with
				the proper diameter for its length and load.
				See Extension Cords in GROUNDING
				section.
Polishing Bonnet	1.	Too much polishing liquid or wax has	1.	Reduce the amount of polishing liquid or
does not remove all		been applied.		wax used.
of the polishing liquid	2.	Bonnet saturated.	2.	Use a clean bonnet.
or wax.
Tool not properly	1.	Sandpaper is dull.	1.	Replace sandpaper.
sanding.	2.	Wrong grit of sandpaper used.	2.	Change sandpaper to a finer or coarser grit
				depending on the job.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

SKU 66615 For technical questions, please call 1-800-444-3353. Page 15