Troubleshooting - Bunn NHB Use & Care Manual

probLeM
coffee doesn't
come out
brewed only
partial carafe
funnel is overflowing
coffee is cold
coffee is not
staying hot
Loud rumbling noise
water flow begins
before lid is closed
Deliming tool doesn't
go in all the way
brewer leaks
There are no user ser viceable parts inside the brewer.
Trou bLeSHooTING
SuGGeSTIoN
• Go through Initial Setup (page 4).
• Close lid.
• Evaporation can occur over time, so tank may need to be
refilled (see Initial Setup, page 4). Brewer requires a minimum
of 4 cups (20 oz.) to begin brewing.
• Check sprayhead holes. If they're clogged, clean. See deliming
instructions (step 5) on page 7.
• Evaporation can occur over time, so tank may need refilled (see
Initial Setup, page 4).
• Coffee grounds and filter absorb some water. Y ou may need to
increase water input.
• Use BUNN
®
• Check to make sure sprayhead is in place.
• If you use decaffeinated, fine grind coffee or softened water,
see page 11 to request a flow restrictor sprayhead or order
BUNN paper filters.
• Plug in brewer and turn on vacation switch on side or back
of brewer. Allow 15 minutes for water to heat to proper
temperature.
• Make sure warmer switch is in the ON position (NHB, GR, BX).
• Pre-heat the thermal carafe (BT, ST). See page 6.
• Normal while water is heating.
• Brewer may need deliming. See page 7.
• Make sure lid is completely open.
• Brewer is not designed to hold water in upper tray for
extended periods.
• Remove top lid to ensure rocker arm is in place and rubber
stopper area is thoroughly cleaned.
• Follow deliming instructions (step 3) on page 7.
• For repair information, visit www.bunn.com (Home Coffee
Brewers) or call 1-800-352-2866.
Do not disassemble.
paper filters.
10