Data di emissione: Maggio, 2016 Revisione: 6 Pag. : 59/64
12. 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 fins are clogged with
airborne particles
• Fan motor is not running
• Refrigerant is leaking
• The solenoid valve is faulty
• The thermostat is faulty
• Allow at least 20cm between the
machine and anything next to it;
keep it away from heat sources
• Return to FREEZE mode
• Clean the condenser fins
• 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 the solenoid valve
Replace the thermostat
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 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 main cover is not correctly
assembled
• Some electrical connections are not
complete
• The main power switch is broken
• The thermostat is faulty
The gear motor is malfunctioning
• Assemble the main cover
correctly
• Check the contacts and correct
those incomplete
• Replace the switch
• Replace the thermostat
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 drain
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 • The main cover is not correctly
assembled
• Some electrical connections are not
complete
The gear motor is malfunctioning
• Assemble the main cover
correctly
• Check the contacts and correct
those incomplete
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
The display is showing the
message “E1”
• The temperature probe is in short circuit • Replace the probe
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