NOTE: the following procedures must be performed by a qualified service technician.
Problem
The machine does not cool,
or cools only partially and
the compressor is running
The machine does not cool,
or cools only partially and
the
compressor
is
not
running
The
machine
over-freeze,
making the auger movement
slow or stopped
The machine is noisy
The main power switch is
"ON" but the unit s not
running
The bowl is leaking
The
dispensing
valve
is
leaking
Product is flowing into drip
tray through drainage pipe
The auger is not turning
The auger is creating noise
as it rotates
Edition: June, 2013
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15. TROUBLESHOOTING GUIDE
Possible cause
•
The
space
around
the
inadequate for ventilation
•
The refrigeration system is working in
DEFROST mode
•
The condenser filter is clogged with
airborne particles
•
Fan motor is not running
•
Refrigerant is leaking
•
Electrical components of the compressor
are not functioning
•
Some
electrical
connections
complete
•
The compressor is malfunctioning
•
No current is coming to the electronic
board
•
The product brix is too low
•
The screw setting for the consistency
control system is set too far toward the
"+" position
•
The limit micro-switch arm is bent away
from
the
gear
motor
contact
•
The level of the product in the bowl is
too low
•
The compressor PC board contact don't
open
•
The fan motor blades are hitting internal
components
•
The fuses are blown
•
Some
electrical
connections
complete
•
The control board is faulty
•
The gear motor is malfunctioning
•
One of the bowl seal is not in place
•
The
dispensing
valve
incompletely or incorrectly replaced in its
position
•
The free movement of the valve is
impeded
•
Dispensing valve o-rings are damaged
•
The bell shaped 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
•
Some
electrical
connections
complete
•
The control board is faulty
•
The gear motor is malfunctioning
•
The bell shaped shaft seal has been
replaced
without
lubrication
damaged
•
The auger has been incompletely or
incorrectly reassembled
Revision: 7
•
machine
is
Allow at least 20cm between the
machine and anything next to it;
keep it away from heat sources
•
Return to FREEZE mode
•
Clean the filter
•
Check the fan motor's electrical
connections and, if disconnected,
reconnect. If still not operating,
replace the motor
•
Locate the leak, eliminate it and
recharge the system
•
Replace
components
•
are
not
Check the contacts and correct
those incomplete
•
Replace the compressor
•
Check the electrical connections
to the pc board as well as the
transformer
board and correct
•
Check
correct
•
Reset the screw toward the "-"
position to produce a thinner
consistency product
•
and
prevents
Using pliers, straighten the limit
switch arm
•
Add more product or turn the
refrigeration "Off"
•
Replace the PC board
•
Check and correct
•
Replace the fuses
•
are
not
Check the contacts and correct
those incomplete
•
Replace the control board
•
Replace the gear motor
•
Replace or reposition the seal
•
has
been
Reassemble and replace
•
Clean and lubricate the valve
and the valve cylinder with the
lubricant
machine
•
Replace the o-rings
•
Find the seal and put it back in
place
•
Replace the damaged/worn seal
and check the condition of the
drive shaft
•
are
not
Check the contacts and correct
those incomplete
•
Replace the control board
•
Replace the gear motor
•
Replace or clean and lubricate
or
is
with the lubricant provided with
the machine
•
Check and correct
Solution
the
malfunctioning
feeding
the
PC
the
product
brix
and
provided
with
the
Pag. : 47/76