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
running
The machine is noisy
The main power switch is
"ON" but the unit s not
running
The bowl is leaking
The
dispensing
valve
leaking
Product is flowing into drain
tray through drainage pipe
The auger is not turning
The auger is creating noise
as it rotates
The first and last LED of the
consistency
scale
blinking at the same time
and the machine does not
cool
Data di emissione: Dicembre, 2018
14. TROUBLESHOOTING GUIDE
Possible cause
The
space
around
•
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
•
Electrical components of the compressor
•
are not functioning
not
Some
electrical
•
complete
The compressor is malfunctioning
•
The fan motor blades are hitting internal
•
components
The
main
•
assembled
Some
electrical
•
complete
The main power switch is broken
•
The control board is faulty
•
The compressor DC drive is faulty
•
The gear motor is malfunctioning
•
One of the bowl seal is not in place
•
is
The
dispensing
•
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
The
main
•
assembled
Some
electrical
•
complete
The control board is faulty
•
The compressor DC drive is faulty
•
The gear motor is malfunctioning
•
The bell shaped shaft seal has been
•
replaced
without
damaged
The auger has been incompletely or
•
incorrectly reassembled
The product level inside the bowl is too
•
are
low
the
machine
connections
are
not
cover
is
not
correctly
connections
are
not
valve
has
been
cover
is
not
correctly
connections
are
not
lubrication
or
Revisione: 2
Solution
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 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
•
components
Check
the contacts and and
•
correct those incomplete
Replace the compressor
•
Check and correct
•
Assemble
the
•
correctly
Check
the contacts and and
•
correct those incomplete
Replace the switch
•
Replace the control board
•
Replace the DC drive
•
Replace the gear motor
•
Replace or reposition the seal
•
Reassemble and replace
•
Clean and lubricate the valve
•
and the valve cylinder with the
lubricant
provided
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
Assemble
the
•
correctly
Check the contacts and correct
•
those incomplete
Replace the control board
•
Replace the DC drive
•
Replace the gear motor
•
Replace or clean and lubricate
•
is
with the lubricant provided with
the machine
Check and correct
•
Refill the bowl with product until
•
the level probe is covered
malfunctioning
main
cover
with
the
main
cover
Pag. : 41/68