Bunn Fast Cup Series Service & Repair Manual page 21

EXTERIOR
Coffee Bean Hopper Assembly
Purpose:
Holds approximately 3.5lbs coffee beans. The
hopper retains a magnet for hopper detection circuit.
The slide gate is used to shut off coffee beans for hopper
removal and used as a hopper lock when in position. It
only takes 1 hopper to be removed or not detected out of
the three which will result in the brewer being disabled or
cannot brew.
TEST INSTRUCTION
Enter Service Technician Mode and Select
Service icon
Step 1: Select and enter the Sensors tab. The Left,
Center and Right Hopper can be individ-
ually tested for hopper detection.
Step 2: Located right side, the following Left,
Center and Right hopper can be individually
tested for hopper detection.
Step 3: Hopper in position reads: Detected
Hopper out of position reads: Not Detected
Note: If a particular hopper position con-
stantly reads Not Detected, try another
hopper in that position.
Step 4: The hopper giving the trouble, look for the
magnet on the underside of the hopper,
must be present and be clean for the
magnetism to operate a switch that is
mounted in the top cover directly under the
hopper magnet.
Step 5: Hopper did not solve problem - Go to
Hopper Detect Switch for testing.
PART RELATES TO THE FOLLOWING SYMPTOM
• Message - Left, Center or Right Hopper Not De-
tected - Brewing Disabled
• Message - Check Left or Center or Right Hopper
- Out of Beans
• Coffee profile is weak. Check for beans bridging
in hopper
SERVICE
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