Jet Tools JMS-12SCMS Troubleshooting - Motor, Troubleshooting - Operation, Probable Cause, Remedy

Troubleshooting – Motor

Trouble	Probable Cause	Remedy
	Motor brushes not sealed or lightly	Inspect/clean/replace brushes.
	sticking.
	Motor brake overheated from use of	See MAINTENANCE section.
	defective or wrong size blade or rapid
Brake does not stop	ON/OFF cycling.
blade within 10	Arbor bolt loose.	Use a recommended blade. Let cool down. See
seconds.
		Removing or Installing the Blade section.
	Brushes cracked, damaged, etc.	Retighten. See Removing or Installing the Blade
		section.
	Other.	Replace brushes.
		Contact your Service Center.
	Limit switch failure	Replace limit switch.
Motor does not start	Brush worn.	Replace brushes. See Maintenance section.
	Fuse blown or circuit breaker tripped	Verify there is electrical power at the outlet.
	on home panel.
Brush spark when	Worn brush.	Replace brushes. See Maintenance section.
switch released.	Other.	Contact your Service Center.

Troubleshooting – Operation

Trouble

Blade hits table.

Angle of cut not accurate. Can not adjust miter.

Cutting arm wobbles.

Cutting arm will not fully raise, or blade guard won’t fully close.

Blade binds, jams, burns wood.

Saw vibrates or shakes.

Laser not aligned

Laser turns off

Probable Cause	Remedy
Misalignment.	See the Setting Cutting Depth section in
	Adjustments
Miter table unlocked.	See the Miter Angle Adjustment section in
	Operations
Saw dust under table.	Vacuum or blow out dust.
	Important: Wear eye protection.
Loose pivot points.	Contact Service Center.
Pivot spring not replaced properly	Contact Service Center.
after service.
Saw dust build-up.	Clean and lubricate moving parts.
Improper operation.	See Operations section.
Dull or warped blade.	Replace or sharpen blade.
Improper blade size.	Replace with 12 in. diameter blade.
Wood is moving during cut.	Use hold down clamp to secure workpiece to table.
Saw blade not round / damaged /	Replace blade.
loose.
Arbor bolt loose.	Tighten arbor bolt.
--	Contact Service Center.
Laser turns off after 20 minutes to	Reset laser switch on trigger handle (turn off, after
prevent heat buildup.	2 seconds turn on again).

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