If you still need help, call GMCW Technical Service Department, (502) 425-4776 or (800) 695-4500 (USA & Canada
only) (Monday through Friday 8 AM - 6 PM EST). Please have the model and serial number ready so that accurate
information can be given.
Prior authorization must be obtained from GMCW for all warranty claims.
GMCW provides the industry’s BEST warranty. Visit our website at GMCW.com for warranty terms and
conditions.
6 Grindmaster
®
800 Series Coffee Grinders
Troubleshooting Guide
Before you call for help, please read the following:
WARNING: Unplug power cord from outlet before cleaning or servicing your grinder.
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.
Grinder runs or hums but no Circuit breaker has tripped. Reset circuit breaker by pushing in reset
coffee is dispensed button until you hear a click.
Shear disc is broken. Replace shear disc. See Shear Disc
Replacement or instructions on back of
grinder.
Obstruction in opening to grinding Unplug unit. Empty beans out of hopper
chamber. and clear obstructions. See Shear Disc
Replacement for disassembly and
assembly instructions.
Excessive amount of coffee Defective chaff mixer spring. If bent, broken, or missing, replace spring.
chaff flying about 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 outlet is grounded.
Circuit breaker continuously Insufficient amperage due to use of Plug unit directly into outlet. Do not use.
trips extension cord. extension cord.
Insufficient amperage due to Designate single line for grinder. Do not
overloaded line. use multi-outlet box.
Grind setting needs adjustment. Adjust grind to coarser setting (see Grind
Adjustment).
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