Troubleshooting Guide - Grindmaster Grind'n Brew-10H 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 dispensed
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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