NWC
611
26
5 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR
THE USER)
The
warewasher
is
able
to
identify
a
number
of
malfunctions
and
show
them
on
the
display.
If
the
problem
persists
after
the
warewasher
has
been
switched
off
and
back
on,
proceed
as
described
below:
E.1
Boiler
temperature
probe
malfunction
Switch
the
warewasher
off
and
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.2
Tank
temperature
probe
malfunction
Switch
the
warewasher
off
and
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.3
Water
intake
malfunction
Water
intake
not
completed
in
the
maximum
time
allowed
Check
dynamic
pressure
in
intake
system:
the
water
intake
filter
may
need
cleaning,
the
tap
may
be
turned
off
or
the
rinsing
nozzles
may
be
fouled.
E.4
Boiler
overheating.
Switch
the
warewasher
off
and
wait
a
few
minutes,
then
switch
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.5
Tank
overheating
Switch
the
warewasher
off
and
wait
a
few
minutes,
then
switch
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.6
Water
not
pumped
out
of
tank
Inspect
the
filters
for
dirt
and
check
that
the
drain
hose
is
not
blocked,
bent
or
crushed.
If
the
problem
persists:
‐
with
tank
empty:
tank
pressure
switch
has
failed
(continuous
full
reading)
‐
with
tank
full:
drain
pump
failure
E.7
Boiler
heating
malfunction
(does
not
heat
up)
Switch
the
warewasher
off
and
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.8
Tank
heating
malfunction
(does
not
heat
up)
Switch
the
warewasher
off
and
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
E.9
Microprocessor
failure
Switch
the
warewasher
off
and
back
on
and
perform
another
cycle;
if
the
problem
persists
call
the
after
‐
sales
service.
