Data di emissione: February, 2016 Revisione: 1 Pag. : 21/48
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
