Grind’n Brew
®
Coffee Systems Page 15
CAUTION: Unplug power cord from outlet before cleaning or servicing the unit.
Troubleshooting Guide
The following procedures must be performed by a qualified service technician.
Problem
Possible Cause
Remedy
Weak coffee
• Not enough coffee used
• Grind is too coarse
• Water not hot enough
• Too much water used (half brews)
• Coffee bed has dry areas
• 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.
Strong coffee
• Too much coffee used
• Readjust coffee portion.
Bitter coffee
• Grind is too fine
• Coarsen grind setting.
Grounds in coffee
• Paper filter collapsed during
brewing
• Use proper filter.
Brew basket overflowed
• Too much coffee
• Coffee ground too finely
• Double batching
• 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.
Unpleasant taste
• Water tank or brew basket needs
cleaning
• Clean, sanitize (de-lime).
• Refer to
Regular Maintenance
section.
Brewer will not brew
• Basket has not been changed
• Remove basket, replace filter,
reinstall.
Grinder will not start when start
button is pushed
• Main power switch turned off
• No power to outlet
• Basket out
• Circuit breaker has tripped
• Basket has not been changed
• 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.
Grinder runs or hums but no
coffee is dispensed
• 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)
• 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.
Quantity of coffee dispensed
each throw is not the same
• Defective timer in controller
• Slide valve is binding
• 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.
Summary of Contents for 10H
Page 2: ......
Page 17: ...Grind n Brew Coffee Systems Page 17 Exploded View Grind n Brew Assembly ...
Page 20: ...Page 20 Grind n Brew Coffee Systems Exploded View Hot Water Tank Assembly Export Units ...
Page 21: ...Grind n Brew Coffee Systems Page 21 Single Bean Upper Assembly Dual Bean Upper Assembly ...
Page 22: ...Page 22 Grind n Brew Coffee Systems Wiring Diagram 115 230V 60Hz ...
Page 23: ......