Ausgabedatum:
Januar 2016
Revision:
1
Seite:
39/63
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
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
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/wor
n 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