Bunn -O-MATIC ULTRA-1 Service And Repair Manual page 18

TROUBLESHOOTING (cont.)
Noise
Auger jumping
Using auger
Check fan
assembly from
CDS 2 or 3?
Lower brix ratio
Replace with ULTRA
p/n 32106.1000
Drum alignment
Check auger shaft bushings
Auger won't turn
Do they turn during
Yes
"AUGER MOTOR TEST" No
mode?
One direction,
Auger motor/capacitor
but not the other
checks
Check membrane
switch
Replace control
board
18
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