Data di emissione:
Settembre, 2016
Revisione:
1
Pag. :
37/44
14. 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 inlet water flow is low
•
The refrigeration system is working in
DEFROST mode
•
The discharge pipe is partially obstructed
•
Fan motor is not running
•
Refrigerant is leaking
•
Check the water flow and solve if
not enough
•
Return to FREEZE mode
•
Clean the discharge pipe and
solve the obstruction
•
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
•
No current is coming to the electronic
board
•
Replace
the
malfunctioning
components
•
Check the contacts and correct
those incomplete
•
Replace the compressor
•
Check the electrical connections
to the pc board as well as the
transformer
feeding
the
PC
board and correct
The machine over-freeze,
making the auger movement
slow or stopped
•
The product brix is too low
•
The screw setting for the consistency
control system is set too far toward the
“+” position
•
The limit micro-switch arm is bent away
from the gear motor and prevents
contact
•
The level of the product in the bowl is
too low
•
The compressor PC board contact don’t
open
•
Check the product brix and
correct
•
Reset the screw toward the “-“
position to produce a thinner
consistency product
•
Using pliers, straighten the limit
switch arm
•
Add more product or turn the
refrigeration “Off”
•
Replace the PC board
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 fuses are blown
•
Some electrical connections are not
complete
•
The control board is faulty
•
The gear motor is malfunctioning
•
Replace the fuses
•
Check the contacts and correct
those incomplete
•
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 drip
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
•
Some electrical connections are not
complete
•
The control board is faulty
•
The gear motor is malfunctioning
•
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
Summary of Contents for IPro 2 W
Page 2: ...Data di emissione Settembre 2016 Revisione 1 Pag 2 44 ITALIANO PAG 3 ENGLISH PAGE 21 ...
Page 39: ...Data di emissione Settembre 2016 Revisione 1 Pag 39 44 15 SCHEMA ELETTRICO WIRING DIAGRAM ...
Page 40: ...Data di emissione Settembre 2016 Revisione 1 Pag 40 44 ...
Page 41: ...Data di emissione Settembre 2016 Revisione 1 Pag 41 44 ...
Page 42: ...Data di emissione Settembre 2016 Revisione 1 Pag 42 44 ...
