Troubleshooting guide, Problem possible cause solution – Grindmaster 890 User Manual
Page 5
Grindmaster Corporation 800 Series Coffee Grinders
Page 5
Grinder will not start when
START button is pushed
.
Grinder runs or hums but no
coffee is dispensed.
Excessive amount of chaff
flying about.
Circuit breaker continuously
trips.
• Bag not under spout.
• Plug not in outlet properly.
• No power to outlet.
• Circuit breaker has tripped
• Shear disc is broken.
• Obstruction in opening to
grinding chamber.
• Defective chaff mixer spring.
• Outlet not properly grounded.
• Static electricity.
• Insufficient current due to use
of extension cord.
• Insufficient current due to
overloaded line.
• Grind setting needs adjustment.
• Place bag underneath spout.
• Install plug in outlet.
• Check outlet with lamp or radio to
verify outlet has power.
• Reset circuit breaker by pushing in
reset button until you hear a click.
• Replace shear disc. See Shear
Disc Replacement section or
instructions on back of grinder.
• Unplug Unit. Empty beans out of
hopper and clear obstruction. See
Shear Disc Replacement section
for disassembly and assembly
instructions.
• If bent, broken, or missing, replace
spring.
• If stuck open with coffee, clean out
coffee to free spring.
• Check power cord end and outlet
for proper ground.
• Tighten all nuts, bolts and screws
and verify wall outlet is grounded.
• Plug unit directly into outlet. Do not
use extension cord.
• Designate single line for grinder.
Do not use multi-outlet box.
• 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.
Troubleshooting Guide
The following procedures must be performed by a qualified service technician.
PROBLEM
POSSIBLE CAUSE
SOLUTION