Grindmaster 250 Operator's Manual page 9

Troubleshooting Guide (continued)
WARNING
Unplug power cord from outlet before cleaning or servicing your grinder.
Problem
Circuit breaker continuously trips
Loud grating noise
Loud vibration noise during
grinding when Grind Selector™
is not activated
If you still need help, call Grindmaster-Cecilware 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 Grindmaster-Cecilware for all warranty claims.
Grindmaster-Cecilware provides the industry's BEST warranty. Visit our website at GMCW.com for
warranty terms and conditions.
250 Series Coffee Grinders
Possible Cause
Insufficient amperage due to use of
extension cord.
Insufficient amperage due to
overloaded line.
Grind setting needs adjustment.
Burrs are touching each other on fine
grind setting.
Thrust bearing rotating inside flange
bearing.
Cotter pin in the thumb screw linkage
may be vibrating.
Grindmaster
Solution
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).
Readjust fine grind setting, see (see
Grind Adjustment).
Replace thrust bearing and shear cap.
Attempt to spread flanges of cotter pin
or replace cotter pin.
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