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Troubleshooting
Problem
Coffee not coming out
Brewed only partial
decanter
Funnel is overflowing
Coffee is cold
Coffee is not staying hot
Loud rumbling noise
Waterflow begins before lid
is closed
Deliming tool doesn’t go in
all the way
Brewer leaks
Suggestions
• Initial set up required - see page 4.
• Make sure lid is closed.
• Evaporation can occur over time - reservoir may need to
be refilled. See initial set up on page 4.
• Requires a minimum of 4 cups (591.5 ml / 20 oz)
to begin brewing.
• Check sprayhead holes, clean if necessary. See deliming
instructions (step 5) on page 8.
• Evaporation can occur over time - reservoir may need
refilled. See initial set up on page 4.
• Some water is always absorbed by the coffee grounds
and filter. You may need to adjust water input
accordingly.
• Use BUNN paper filters.
• Sprayhead is missing.
• Decaffeinated, fine grind coffee or softened water is
used. See bottom of page 10 to order correct sprayhead
or paper filters.
• Plug in brewer and turn on vacation switch on side
of brewer. Allow 15 minutes for water to heat to proper
temperature.
• Warmer switch should be in the “on” position. (BX, GRX,
NHBX)
• If using a BTX with thermal carafe, pre-heating will increase
the time your coffee will stay warm.
• Normal while water is heating.
• May be time to delime. Refer to page 8.
• Make sure lid is fully open.
• Brewer is not designed to hold water in upper tray for an
extended period of time.
• Remove top lid to ensure rocker arm is snapped in place
and rubber stopper area is thoroughly cleaned.
• Refer to deliming instructions (step 3) on page 8.
• For repair information, go to www.bunn.com, Home Coffee
Brewers or call 800-263-2256.