Bunn Fast Cup Series Service & Repair Manual page 8

TROUBLESHOOTING
MACHINE MESSAGES, SYMP-
TOMS and/or ACTIVE NOTICES
Symptoms
10. Coffee Profile is Weak
11. Single Recipe "Grayed Out" on Home
Screen
12. Entire Home Screen "Grayed Out"
PROBABLE CAUSE
a. Coffee beans low or bridging in hopper
b. Coffee particle size may need to be
adjusted
c. Grinders may need to be calibrated
to the product
d. Product recipe altered
e. Temperature
a. Hopper Out of Beans
a. Cleaning Required
b. Hopper Not Detected
8
REMEDY
a. Refill hopper or remove and empty
hopper, clean, dry and refill hopper
b. Compare dispensed coffee grounds
to desired recipe sample. Adjust grinder
to achieve desired coffee particle size
c. Perform grinder calibration upon
initial setup
Good idea to check performance of
grinder over time by performing the
grinder calibration procedure
d. Go into the Product Recipe profile
and verify values, adjust as necessary
e. Go to Service icon, select Heaters
tab and view real time temperature of
each tank
Each tank circuit can be tested for
operation by turning on the Solid State
Relay. Heater current will be displayed
at the bottom of the display.
a. Refill or remove and empty hopper,
clean, dry and refill hopper
a. Cannot bypass. Must perform and
complete cleaning procedure without
any interruption to continue operation.
Time of day is adjustable under the
REMINDERS icon.
b. Install hopper and the detected/not
detected operation can be viewed under
the Service icon/Sensor tab
Continued >