Solenoid Valve 3-Way - Bunn Fast Cup Series Service & Repair Manual

LEFT PANEL LEFT PANEL
Chiller Input Coffee Solenoid Valve, 3 Way
Purpose: The chiller 3 way "Inlet" solenoid valve
is electrically used when a coffee recipe has been
originally check marked as an "Ice Beverage" recipe
under Recipe set-up mode. The internal paddle seat
will move from the normally closed port and seal off
the normally open port, directing the coffee through
the chiller module and out through another coffee
3 way solenoid valve labeled as the "chiller outlet
valve".
Solenoid Valve, 3 Way
21) Chiller Input Coffee Solenoid Valve
TEST INSTRUCTION
Enter Service Technician Mode and Select
Service icon
Step 1: Select and enter the Water System tab.
Step 2: Touch Chiller Input Valve button to activate
the solenoid valve.
Step 3: Monitor the center plunger for movement
and/or click sound.
Yes - Electrically the solenoid valve is work-
ing but product may not be flowing through
valve because of an internal blockage. Valve
will need to be taken apart, cleaned and
rebuilt.
No click sound or movement - Go to Volt-
age Check before replacing solenoid valve.
Volt/Ohm Meter - Voltage Check
Step 4: Disconnect or unplug machine from power.
Step 5: Remove left & right panel to access water
system and circuit boards.
Step 6: Locate J8 connector on the Input/Output
board.
Step 7: Connect power to machine.
Step 8: Set voltmeter on D/C voltage. Install red
meter lead on terminal J8-1 Pink wire
(positive) and black meter lead on J8-5
WHI/BLK wire (negative) terminal.
SERVICE
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