Question about Hoshizaki Freezer Commercial Ice Machines - KM900MRH Commercial Ice Machine

1 Answer

Have a Hoshizaki Commerial Ice Maker KM-630MRB that quits working when the temperature outside gets below 32 degrees. It starts to beep 3 times and we have to shut it off and reset it when it warms u

The repair man has put stop leak in the machine last time it was repaired. He also replaced a valve on a part that is located outside. He has added freon to the machine. It takes 404 freon-switched out the other freon 505? and replaced the compressor to this machine. Have a lot of time and money tied up in this machine-Please Help!

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Genius:

    An expert who has answered 1,000 questions.

  • Master
  • 1,669 Answers

Well aside from jacking the machine up and putting another in its place, the only thing left is the electronic thermometer/thermostat that should be sensing the ice and not the outside temperature. By the way, if you spend more than the machine is worth think about another one.

Posted on Jan 13, 2013

Ad

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
refritech08
  • 149 Answers

SOURCE: Hoshizaki Ice Maker

check condenser condition can be dirty, cleaning the coils with coil cleaner for ice machines(i suggest you take all the ice out of bin first) i'd go with that first. check if it works for you.

Posted on Apr 23, 2008

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

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

  • 1151 Answers

SOURCE: hoshizaki ice machine beep 3

in the freeze cycle too long. Most common is the water valve leaking through. Second thing to check is for a stuck float switch.

Posted on Oct 28, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

My hoshizaki ice machine KM-900mrf model beeps 3 times and stop making ice. After reset it starts, but stats beeping again after an hour.


Have a look at the side of the evaporator; there is a probe (thermistor) attached to it that tells the control board when to initiate the harvest cycle. make sure it's clean and attached properly and doesn't need replacing. If hitting the float switch initiates the harvest cycle it sounds like you have a blocked/ scaled water tube or switch housing. take off the bottom of the switch assembly (black rubber bit) and clean through to the water chamber. run a cycle of descaler before trying again.

Jul 04, 2015 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

Why isn't my Hoshizaki km 630 mkh ice maker not making any ice?


that could be a number of problems..is it making any beeps or flashing lights on the circuit board? Have you tried to reset the circuit boards reset button with the machine on. ? If the machine seems totally dead then the bin thermostat is most likely the problem..

Aug 02, 2014 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

3 Beep Warning


Staying in the freeze cycle too long. Usually about an hour. Several things can cause this. Look for water running even if machine is off. Possible stuck float switch. And more.

Nov 08, 2013 | Hoshizaki KM-61BAH 49 Pound Self-Contained...

1 Answer

Ice maker not making ice. When pressing the test button will start to make some and then beep about 3 times, then does not produce anymore ice.


Do not use test button. It test the functions of the board only. You have another issue. Need to know the number of beeps. Usually beeps a certain number of times, then hesitates,then beeps again.

Jul 27, 2011 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

I have a Hoshizaki model Km-250baf it beeps three times.


3 beeps means it has been in the freeze cycle too long. A stuck float switch can cause this as well as a leaking water valve. Look for that first. Let me know if you need more info.

Feb 06, 2011 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

3 yr. old Hoshizaki km630 mah, Had a hard freeze(24 degrees) at the shop and checked the ice maker that sits outside main bldg. Main water supply line inside that joins the copper pipe to the plastic...


There should be a reset button on your control board inside the electrical compartment.

Turn the system on to ice mode and depress the reset button. This should clear out any and all faults stored in the board and the machine should at least attempt to come back to life.

Look on the outside of the electrical compartment cover. There should be an explanation of what your error code means. I can't remember it off the top of my head. But the list there will tell you what 1 beep every 305 seconds means and the procedures to take from there.

Jan 13, 2010 | Hoshizaki Freezer Commercial Ice Machines...

2 Answers

Small production of ice? What should be the normal production of ice?


The way I understand how Hoshizaki machines work, the model number is usually what the unit will produce, in pounds of ice. Their manual states: "Approximate production/ 24 hours @ 70 degrees air/ 50 degrees water (incoming)" So, yours should be producing 450 pounds a day, approimately. Since I can not pin point your exact model, I found one that is close. It states: "Ice Production per cycle: 6.6 pounds, 360 pcs." Again, it is not you exact machine. Their web site does not show this model either. So this is the best info I can get for you. Hope this helps.

Jun 03, 2009 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

Hoshizaki ice machine model KM-250BAF SERVICE MANUAL


km-450mwb hoshizaki problem is machine strate is ok but to long time ice making , not dropping, two beeps every three seconds what problem i don't no pleas help mi

Jul 30, 2008 | Hoshizaki Freezer Commercial Ice Machines...

5 Answers

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?

Jul 09, 2008 | Hoshizaki Freezer Commercial Ice Machines...

2 Answers

Hoshizaki ice machine with constant beeping every 3 seconds


Most likely(50% of the times) Your Ice machine need a real cleaning. not just run clean cycle with ice machine cleaner. every 6 month call HVAC-R guys - machine will last half time longer if u schedule proper maintenance with them. I have seen It all: people try to call "friend", or someone who "knows" how this machines work. Real clean would take up to 3 hours for people who know what they doing. Here is one of my videos, when 3 beeps - long freeze cycle is not common and all others would offer You to get a new Ice Machine. Bill to the owner was 950$, New Machine 3450$ plus labour to install 600$.

Jun 23, 2008 | Hoshizaki Commercial Freezer KM-500MAH

Not finding what you are looking for?
Hoshizaki Freezer Commercial Ice Machines - KM900MRH Commercial Ice Machine Logo

93 people viewed this question

Ask a Question

Usually answered in minutes!

Top Hoshizaki Freezers Experts

Dennis Boxerman

Level 3 Expert

1151 Answers

Charles T Nevin
Charles T Nevin

Level 3 Expert

4066 Answers

Dan Webster
Dan Webster

Level 3 Expert

8220 Answers

Are you a Hoshizaki Freezer Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...