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Ice Frost Operator’s Manual
Publication Number: M620919596OPR - 26 - © 2004-2006, IMI Cornelius Inc.
Problem Possible Cause Solution
The machine over-freezes making
the auger movement slow or
stopped
•
The product Brix/ratio is too low
• The screw setting for the product
consistency control system is set
too far toward the “+” position
• The limit switch arm is bent away
from the gearmotor and prevents
contact
• The level of the product in the bowl
is too low, exposing the auger
• The compressor PC board contacts
don’t open
• Check the product Brix/ratio and
correct
• Reset the screw toward the “-”
position to produce a thinner con-
sistency product
• Using pliers, straighten the limit
switch
arm
•
Add more product or turn the refrig-
eration “Off”
• Replace the PC board
The machine is noisy • The fan motor blades are hitting
internal components
• Check and correct
The main power switch is “On”.
The unit is not running.
•
The fuse(s) are blown
• The pressure cutout switch has
activated
• Some electrical connections are
not complete
• The main power is not functioning
• Replace the fuse(s)
• Clean the condenser or add venti-
lation space around the machine
(the cutout switch reset is auto-
matic when the conditions are cor-
rected)
• Check the contacts and correct
those that are incomplete
• Replace the switch
Product is leaking out of the bowl • One of the bowl seals is not in
place
• Replace or reposition the seals
Product is leaking from the dis-
pensing valve
•
The dispensing valve has been
incompletely or incorrectly replaced
in its position
• The free movement of the dispens-
ing valve is impeded
• Dispensing valve o-rings are dam-
aged
• Reassemble and replace
• Clean and lubricate the valve and
valve cylinder with the lubricant
provided with the machine
• Replace the o-rings
Product is flowing into drain tray
through drainage tube
• The bell shaped “shaft” seal
between the front of the cylinder
and the auger hub has not been
reinstalled properly
• The bell shaped “shaft” seal or the
spindle bushing seal is damaged or
worn
• Find the seal and put it back in
place
• Replace the damaged/worn seal
and check the condition of the
driveshaft.
The auger is not turning • Auger not turned on
• Some electrical connections are
not complete
• The gear motor(s) are malfunction-
ing
• Turn auger on
• Check the contacts and correct the
ones that are incomplete
• Replace the gear motor(s)
The auger is creating noises as it
rotates
• The large red bowl seal is not in
position, causing the gear teeth not
to mesh
• The product brix is incorrect
• The bell shaped “shaft” seal has
been replaced without lubrication
or is damaged
• The auger has been incompletely
or incorrectly reassembled (ie the
auger’s gear pins are not properly
seated)
• Check and correct
• Check the product brix and correct
• Replace or Clean and lubricate
with the lubricant provided with the
machine
• Check and correct