Troubleshooting Guide - Grindmaster Grind’n Brew-10 Operation And Instruction Manual

Troubleshooting Guide

The following procedures must be performed by a qualified service technician.
!
CAUTION: Unplug power cord from outlet before cleaning or servicing the unit.
Problem
Weak coffee
Strong coffee
Bitter coffee
Grounds in coffee
Brew basket overflowed
Unpleasant taste
Brewer will not brew
Grinder will not start when
start button is pushed
Grinder runs or hums but
no coffee is dispensed
Quantity of coffee dis-
pensed each throw is not
the same
Grind'n Brew Coffee Systems™
Possible Cause
• Not enough coffee used
• Grind is too coarse
• Water not hot enough
• Too much water used (half brews)
• Coffee bed has dry areas
• Too much coffee used
• Grind is too fine
• Paper filter collapsed during
brewing
• Too much coffee
• Coffee ground too finely
• Double batching
• Water tank or brew basket needs
cleaning
• Basket has not been changed
• Main power switch turned off
• No power to outlet
• Basket out
• Circuit breaker has tripped
• Basket has not been changed
• Shear disc is broken
• Obstruction in opening of
auger assembly (on dual bean units)
• Obstruction in opening to
grinding chamber
• Slide valve is bending
• Blown fuse on controller
board (Dual bean only)
• Defective timer in controller
• Slide valve is binding
Remedy
• Set to portion more coffee.
• Readjust grind to a finer grind.
• Check spray temp, should be greater
than 185°F.
• Adjust brew time at the controller.
• Spray deflector broken or missing. Replace.
• Readjust coffee portion.
• Coarsen grind setting.
• Use proper filter.
• Use no more than 3 1/2 oz. of coffee.
• Coarsen grind.
• You must dump old coffee and use fresh
new filter for each brew.
• Clean, sanitize (de-lime).
• Refer to Regular Maintenance section.
• Remove basket, replace filter, reinstall.
• Turn main power switch, on located on
back of unit (left side from front) on.
• Check outlet with lamp or radio to verify
outlet has power.
• Ensure basket is in position.
• Reset circuit breaker (located on back of
unit) by pushing the reset button in until
you hear a click.
• Remove basket, replace filter, reinstall.
• Replace shear disc. See Shear Disc
Replacement section.
• Remove hopper and clear obstruction.
• Remove hopper and clean obstruction.
• Check for free operation of slide valve.
Adjust solenoid mount or slide valve
mount as required. Make sure white slide
valve gasket is not touching moving
parts.
• Check for blown fuse and replace with
5 Amp fuse.
• Check the length of time grinder runs
with watch.
• Remove upper assembly and clean
obstruction.
• Check for free operation of slide valve.
Adjust solenoid mount or slide valve
mount as required. Make sure white slide
valve gasket is not touching moving
parts.
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