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What are the factory settings for DSW 1 , 2 , 4, 5 for a IM240DME Hoshizaki Ice Machine / Thank you for your help Regards, Michael

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  • Dennis Boxerman Sep 27, 2010

    can't find anything on a model starting with "IM". are you sure it's not KM?

  • michael_o46 Sep 27, 2010

    It's definitely IM. Thanks for your reply

  • Dennis Boxerman Sep 29, 2010

    send me serial number. I'll make some calls for you and see if I can get one

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

refritech08
  • 149 Answers

SOURCE: Hoshizaki Ice Machine Model KM-500MAF

(Quated From Hoshizaki Technical Bulletin)
An alarm code of 3 beeps
every 3 seconds means that the control board has shut
down on the 60 minute freeze cycle back up timer.

The “E” control board has a 60 minute timer that starts at
the beginning of the freeze cycle. If the float switch fails
to open and start the next harvest within 60 minutes, the
board will automatically start the harvest cycle. If this
occurs in two consecutive cycles, the control board will
shut the unit down on the manual reset, freeze cycle
back- up timer. The yellow fault LED marked “60 min.”
will illuminate. This safety is designed to help prevent a
freeze up of the evaporator.

Once you have identified the 60 minute alarm, there are
several things to check. Reset the alarm by depressing
the white reset button to the right of the fault LED’s.
This must be done with the power “ON”. Now check the
float switch to see if it is stuck in the up position. A stuck
float can occur if scale is present on the reed switch
shaft inside the housing. To check it, drain the water
reservoir, unplug the black float switch connector (K5)
from the control board and check it with an ohm meter
for a closed switch (zero ohms). If the float switch is
sticking, clean it with ice machine cleaner or replace it as
necessary.
An inlet water valve which is slowly leaking by during the
freeze cycle can cause a 60 minute alarm. If the inlet
water valve is stuck wide open, it is unlikely that any ice
will form on the evaporator. Check for a slow leak by
allowing the unit to cycle into the freeze cycle and
disconnecting the hose at the outlet of the water valve. If
water leaks by during the freeze cycle, the water valve
diaphragm is likely damaged or the small diaphragm bleed
port is clogged with scale. Clean the bleed port or replace
the diaphragm or entire water valve as necessary.

(I Recommend to get a refrigeration tech for this part).

Another possibility is a refrigeration system problem. You
should use normal refrigeration diagnosis procedures to
check for one of these problems. If the thermostatic
expansion valve is not feeding properly or the refrigerant
charge is low, the evaporator will not form ice as it should
and a long freeze cycle will occur. This could also be the
result of the hot gas valve not closing completely during
the freeze cycle or if the compressor valves are weak or
inefficient. An inefficient compressor however, will
usually show up first on the KM model through a longer
than normal harvest cycle. This is because of cooler
than normal discharge gas. Use proper refrigeration
practices to repair a refrigeration system problem.
While these are not the only reasons for a 60 minute
freeze cycle, they are the most common and should be
checked to resolve a 3 beep/yellow fault LED alarm.

Posted on Apr 26, 2008

  • 1 Answer

SOURCE: Beeping Ice Machine

I have a Hoshizaki KM-250BAF that is making 3 beeps then pauses and them makes 3 beeps again. If I unplug the ice maker and plug it in it continues to make the 3 beeps. The manual does not mention anything about beeps. Can anyone help?

Posted on Aug 29, 2008

  • 124 Answers

SOURCE: hoshizaki ice machine repair?

is water pump running? is sufficient water in the sump? they harvest when the harvest thermistor says lines are cold. lack of water and the thermistor gets to cold to quick and a premature harvest. no water or pump over plate and it gets to cold to quick. the water over the plate keeps temps up till ice can form. good luck.

Posted on Oct 30, 2008

  • 3 Answers

SOURCE: waterpump of Ice Machine KM-500MAH-E

Always attempt to have Hoshizaki pumps rebuilt when possible. The parts are cheap compared to buying a new pump. Check ebay from time to time I have just started tearing units down and selling the used parts, that are still functional. Sold that pump for $75 last week

Posted on Nov 17, 2008

farfield
  • 462 Answers

SOURCE: Hoshizaki ice machine with constant beeping every 3 seconds

I believe if you remove the thermostat wires and put them together and retry it you'll be making Ice, then get you a new thermostat. Please rate me accordingly and good luck.

Posted on Mar 20, 2009

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