Troubleshooting Guide - SPM NINA Manuel D'utilisation Et D'entretien

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 is not
running
The bowl is leaking
The dispensing valve
leaking
Product is flowing into drain
tray through drainage plate
The auger is not turning
The auger is creating noise
as it rotates
LED errors (from the lower):
- 1st LED blinking
- 2nd LED blinking
- 3rd LED blinking
- 4th LED blinking
- 5th LED blinking
Data di emissione: December, 2013

14. TROUBLESHOOTING GUIDE

Possible cause
•
The space around
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
•
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 cover
assembled
•
Some electrical
complete
•
The main power switch is broken
•
The control board 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 cover
assembled
•
Some electrical
complete
•
The control board 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
•
Memory error
•
Temperature probe short circuit
•
Temperature probe disconnected
•
Motor overcurrent
•
Power overcurrent
the machine is
connections are not
is not correctly
connections are not
valve has been
is not correctly
connections are not
lubrication or is
Revisione: 1
Solution
•
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
•
Replace the malfunctioning
components
•
Check the contacts and and
correct those incomplete
•
Replace the compressor
•
Check and correct
•
Assemble the main
correctly
•
Check the contacts and and
correct those incomplete
•
Replace the switch
•
Replace the control board
•
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 main
correctly
•
Check the contacts and correct
those incomplete
•
Replace the control board
•
Replace the gear motor
•
Replace or clean and lubricate
with the lubricant provided with
the machine
•
Check and correct
•
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
Pag. : 61/68
cover
with the
cover