Data di emissione:
February, 2019
Revisione:
2
Pag. :
21/24
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 condenser 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 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 is not
running
•
The
main
cover
is
not
correctly
assembled
•
Some electrical connections are not
complete
•
The main power switch is broken
•
The control board is faulty
•
The gear motor is malfunctioning
•
Assemble
the
main
cover
correctly
•
Check the contacts and and
correct those incomplete
•
Replace the switch
•
Replace the control board
•
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 plate
•
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 control board is faulty
•
The gear motor is malfunctioning
•
Assemble
the
main
cover
correctly
•
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
LED errors (from the lower):
- 1st LED blinking
- 2nd LED blinking
- 3rd LED blinking
- 4th LED blinking
- 5th LED blinking
•
Memory error
•
Temperature probe short circuit
•
Temperature probe disconnected
•
Motor overcurrent
•
Power overcurrent
•
Replace the board
•
Replace the probe
•
Re-connect the probe
•
Switch off. Solve the root cause
and switch on again
•
Switch off. Solve the root cause
and switch on again
