Grindmaster 890, 835, 810, 875 Troubleshooting Guide, Problem, Possible Cause, Solution

Troubleshooting Guide

The following procedures must be performed by a qualified service technician.

PROBLEM	POSSIBLE CAUSE	SOLUTION
Grinder will not start when	• Bag not under spout.	• Place bag underneath spout.
START button is pushed.	• Plug not in outlet properly.	• Install plug in outlet.
	• No power to outlet.	• Check outlet with lamp or radio to
		verify outlet has power.
	• Circuit breaker has tripped	• Reset circuit breaker by pushing in
		reset button until you hear a click.
Grinder runs or hums but no	• Shear disc is broken.	• Replace shear disc. See Shear
coffee is dispensed.		Disc Replacement section or
		instructions on back of grinder.
	• Obstruction in opening to	• Unplug Unit. Empty beans out of
	grinding chamber.	hopper and clear obstruction. See
		Shear Disc Replacement section
		for disassembly and assembly
		instructions.
Excessive amount of chaff	• Defective chaff mixer spring.	• If bent, broken, or missing, replace
flying about.		spring.
		• If stuck open with coffee, clean out
		coffee to free spring.
	• Outlet not properly grounded.	• Check power cord end and outlet
		for proper ground.
	• Static electricity.	• Tighten all nuts, bolts and screws
		and verify wall outlet is grounded.
Circuit breaker continuously	• Insufficient current due to use	• Plug unit directly into outlet. Do not
trips.	of extension cord.	use extension cord.
	• Insufficient current due to	• Designate single line for grinder.
	overloaded line.	Do not use multi-outlet box.
	• Grind setting needs adjustment.	• Adjust grind to coarser setting.
		See Grind Adjustment section.

If you still need help, call our Service Department, at (800) 695-4500 (USA & Canada only) or (502) 425-4776 (Monday through Friday 8am-6pm EST) or an authorized service center in your area. Please have the model and serial number ready so that accurate information can be given.

Prior authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.

Grindmaster Corporation 800 Series Coffee Grinders Page 5