20
come on. It will run in a reverse cycle that runs hot
Freon through the lines behind the plates. The
ice
plates
will heat up just enough so that any remaining
ice should fall off. After 1 minute, the control board
will read the
thermistor
to see if the Freon temperature
has risen above 48 degrees. If it has risen above 48
degrees, the control board will switch into the Freeze
cycle.
2 - beep
alarm - If the temperature has not risen
above 48 degrees, the ice maker will run for another
minute, and the control board will check again. After
the control board is unable to detect the Freon, and
the temperature has risen above 48 degrees two
times, the control board will shut down and switch
into a
2 - beep
alarm mode until manually
reset
. If
after resetting the control board returns to a 2 - beep
alarm:
1. Check the thermistor resistance
. It should
be 3.9 k Ohms. Until the board reads this 3.9 k
Ohms, it will not leave the harvest mode.
2. If you are not reading the 3.9 K Ohms then
ensure that there is no ice on the plates. If
you are starting up an ice maker and you are
not reading the 3.9 k Ohms, you likely have a
malfunctioning
thermistor
.
Iftheproceduresabovedonotsolveyourproblemcallaqualified
technicianorgoto
www�hoshizakiamerica�com/techsupport/hcsr�asp
tolocatea
servicerepresentativeinyourarea�
Freeze Ups
After the
thermistor
has risen above 48 degrees, the
FreezeCycle
will begin. The hot gas solenoid will close
and cold Freon will fill the tubes that the
iceplates
are built around. The
waterpump
will now cycle water
through water tubes and down
theiceplates�
As water
passes over the plate, it freezes in small layers. As ice
forms, the water level will lower in the
reservoir
. After
5 minutes of the
FreezeCycle
the Ice maker will now
start detecting the
float
level. When the
floatvalve
has
lowered to its designated level, the freeze cycle will
end.
If the
float
level has not has lowered to its
designated level after 50 minutes, the ice maker will
automatically go to the next cycle, which is either
a
PumpOutCycle
or a
HarvestCycle
. In conditions where
the
floatvalve
is either stuck in the closed position
showing full all the time, or if there is a restricted
water supply, the water level may actually be lower
than the ice maker can detect. If you have low
water and the float stays stuck showing full, you will
consistently go into the 50-minute maximum
Freeze
Cycle
. After 2 consecutive cycles of 50 minutes the
control board will shut down in a
3-beep alarm
. If
you reset during this
3-beep alarm,
or the when
the ice maker is going through extended cycles of
longer
freezecycles
, your unit may begin
freezingup
. If this
occurs frequently
, the expanding Ice will bend the plates,
and make the ice hard to release from the plates.
1. Defrost the ice maker
– Connect a standard
water hose to the
freshwaterdispenservalve,
and spray
water over the ice on the
icemakingplatechannels
until
melted and all ice is removed.
2. Clean the ice maker
– Clean the ice maker,
using the procedure enclosed on page
9
�
Be
sure to soak the float valve in a hard-water scale
removing solution for 1 to 2 hours. Test the float
with an OHM meter to ensure proper operation.
3. Check water pressure
a. Turn
icemakerwatervalve
OFF.
a. Disconnect
icemakerwaterhose�
a. While holding the end of the hose
away from you, Turn
icemakerwatervalve
ON,
and let the water flow. Watch to
see if the water maintains constant
pressure.
If the water pressure is constant
a. Turn
icemakerwatervalve
OFF.
b. Reconnect
icemakerwaterhose
to ice
maker.
c. Turn
icemakerwatervalve
ON.
If the pressure is not constant
a. Turn
icemakerwatervalve
OFF.
b. Reconnect
icemakerwaterhose
to ice
maker.
c. Turn ice maker water valve
ON.
d. Turn
filterwatervalve
OFF
.
e. Check for clogged or dirty
waterfilters,
and replace if necessary, using
filter
replacementinstructionsonpg8�
f. Turn
filterwatervalve
ON
.
