Data di emissione: Agosto, 2019 Revisione: 0 Pag. : 19/24
13. TROUBLESHOOTING GUIDE
NOTE: the following procedures must be performed by a qualified service technician.
Problem Possible
cause
Solution
The machine does not cool,
or cools only partially and
the compressor is running
The space around the machine is
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
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
The machine does not cool,
or cools only partially and
the compressor is not
running
Electrical components of the compressor
are not functioning
Some electrical connections are not
complete
The compressor is malfunctioning
Replace the malfunctioning
components
Check the contacts and correct
those incomplete
Replace the compressor
The machine over-freeze,
making the auger movement
slow or stopped
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 and prevents
contact
The level of the product in the bowl is
too low
Check the product brix and
correct
Reset the screw toward the “-“
position to produce a thinner
consistency product
Using pliers, straighten the limit
switch arm
Add more product or turn the
refrigeration “Off”
The machine is noisy
The fan motor blades are hitting internal
components
Check and correct
The main power switch is
“ON” but the unit s not
running
The fuses are blown
Some electrical connections are not
complete
The gear motor is malfunctioning
Replace the fuses
Check the contacts and correct
those incomplete
Replace the gear motor
The bowl is leaking
One of the bowl seal is not in place
Replace or reposition the seal
The dispensing valve is
leaking
The dispensing valve has been
incompletely or incorrectly replaced in its
position
The free movement of the valve is
impeded
Dispensing valve o-rings are damaged
Reassemble and replace
Clean and lubricate the valve
and the valve cylinder with the
lubricant provided with the
machine
Replace the o-rings
Product is flowing into drip
tray through drainage pipe
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
Find the seal and put it back in
place
Replace the damaged/worn seal
and check the condition of the
drive shaft
The auger is not turning
Some electrical connections are not
complete
The control board is faulty
The gear motor is malfunctioning
Check the contacts and correct
those incomplete
Replace the control board
Replace the gear motor
The auger is creating noise
as it rotates
The bell shaped shaft seal has been
replaced without lubrication or is
damaged
The auger has been incompletely or
incorrectly reassembled
Replace or clean and lubricate
with the lubricant provided with
the machine
Check and correct
