Bunn Fast Cup Series Service & Repair Manual page 46

LOWER FRONT PANEL
TEST INSTRUCTION
Enter Service Technician Mode and Select
Service icon
Step 10: Select and enter Brew Module tab.
Step 11: Touch Brew Piston Latch button. The upper
piston will move to 109mm - Latched
position.
Step 12: Select and enter Water System tab.
Step 13: Place a clean and empty container under the
dispense outlet.
Step 14: Touch and hold the Brew Chamber Fill
Valve button (10 Sec. Time Out).
Note: This will energize the Brew Chamber
Dispense valve too.
Step 15: The brew chamber will fill with water before
water starts flowing out the dispense outlet.
Note: The Water & Brew Pressure can be
monitored during this flow test.
Typical Brew Pressure reading is around
15.0 - 20.0psig.
Step 16: If coffee grounds are present in receiving
container, keep repeating step 13 until all
loose coffee grounds are flushed out of the
system.
Step 17: Re-install nozzle.
PART RELATES TO THE FOLLOWING SYMPTOMS
• Erratic flow out dispense nozzle
• Active Notice - E-045: Water Pump Low Flow
Blockage
• Active Notice - E099: Brew Error Pump Flow
Limit
SERVICE
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