Bunn Fast Cup Series Service & Repair Manual page 78

RIGHT PANEL
Inline Fuse Holder & Fuse 20 Amp 250V
Purpose: A fuse holder is incorporated on the L2
heater line containing a 20 Amp fuse. In the event
all three boiler tanks turn on, the fuse will protect
against excessive current and open resulting in the
heating circuit being inoperable.
TEST INSTRUCTION
Volt/Ohm Meter - Continuity Check
Step 1: Disconnect or unplug machine from power.
Step 2: Remove right panel to access fuse holder.
Step 3: Locate the fuse holder and open, remove
the fuse from the holder.
Step 4: Select the lowest resistance (OHMS) range
on the voltmeter. Install black meter lead in
the meter COM terminal and red meter
lead in the terminal labeled with the OHM
symbol.
Note: Various voltmeters may have a sym-
bol to indicate audible tone or sound. The
meter will alert with a loud tone or sound to
indicate continuity.
Step 5: Install red meter lead on end of the fuse
and the black meter lead on the opposite
end of the fuse. Continuity should be
present.
No continuity - Replace fuse.
PART RELATES TO THE FOLLOWING SYMPTOMS
• Active Notice - E-053, 054, 055: Finish, PreHeat
& Inlet Tank Heating Too Long
• Active Notice - E-062, 063, 064: Finish, Pre-Heat
Inlet Tank Heater Test Failure
SERVICE
78
Holder
Fuse 20 Amp