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Carpingani 161 wont freeze --plenty of gas in machine

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If there is gas in it. no frost buid up and the evap coil isnt crested all the way across. then you have a blocked filter. your gage will give an inconsistant reading when the filter is blocked. may read normal but other times will give a higher or lower reading. try changing the filter. the other thing i see is the compressor maybe too weak for the freezed. very common that the manufacture has put a small compressor that may only work adequetly for a few years.

Posted on Aug 01, 2010

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Freeze keeps clicking over but wont freeze was in storage frooze for 1 day wont freeze has it run out of gas or would the timer need placing what would be the problem worth reparing


If you are hearing the clicking sound down by the compressor you could have issue with the compressor. Really need more info.

Oct 30, 2014 | Freezers

1 Answer

What is hgv valve leaking by


The hot gas valve is activated during the machines harvest cycle letting hot gas defrost the evporator. If it is "leaking by " that means that it is not fully closing during the freeze cycle causing high suction pressures and inefficient operation of the machine. And maximum freeze cycles. If that is happening it will need to be replaced by a qualified technician.

May 09, 2014 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

Ice machine 3 beeps


signal means freeze cycle is over 60 minutes. Look for: stuck float, water valve leaking water into sump, hot gas valve leaking hot gas into the cool side of the refrigeration system. start there.

Dec 04, 2013 | Hoshizaki Commercial Freezer KM-500MAH

1 Answer

Iam working on a hoshizaki ice maker, turn it on make one batck of ice, after that, my cooper lines on bottom of coils were warm and o n top od the coil were hot,whar could be the problem?


On Hoshi ice maker, if coils are HOT, it is passing hot gas from compressor into the lines. After the defrost of the first cycle, after this cubes are completely cleared from the plates, the "Hot Gas Valve" should close and the freeze cycle should start over. It sounds that the valve is sticking open and not stopping the hot gas from entering. Look there first.

Sep 10, 2011 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

I hooked a used unit up turned it on and got 3 beep any answers


this indicates that the backup freeze timer terminated the freeze cycle. Stayed in freeze cycle 60 minutes. Causes can be: stuck float switch, water valve leaking incoming water, and the more extreme can be hot gas valve leaking, txv not feed properly, low refrigerant charge, or bad compressor. Usually one of the first 2 items are the root cause.

Aug 21, 2010 | Hoshizaki Freezer Commercial Ice Machines...

3 Answers

I have a Frigidaire refrigerator with a top mount freezer, no ice maker. I have noticed that in really cold weather, the unit becomes less efficient, and in extreme cases, stuff in the freezer begins to...


Hi,
When it gets very cold the gas (freon) in the refrigeration system shrinks....because the properties that make cold also work against you in this case...when the gas shrinks in volume it then does not work properly anymore...the hot gas does not turn back into a liquid but stays as a gas and because of that it does not cool when going through the expansion device...ie. cap tube or expansion valve. If you were to keep it in the cold all the time you could add a bit of charge to make it work, but then if you move it to warm or the weather warms... now you are over charged... just one of those "no win" deals...
They don't make these things to run in extreme environmental changes..they like it a consistent temp. all the time...

Heatman101

Jan 12, 2010 | Freezers

3 Answers

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.

Feb 27, 2008 | Hoshizaki Commercial Freezer KM-500MAH

1 Answer

Used frigidaire


look around the back of the freeze and at the bottom you will see a small black compressor .Put your hand on it and if it is running you will feel it vibrating. If it vibrating but running very hot them it means you have no gas in the system so the freezer won't freeze. If the compressor is cold and not running then it could be eaither the relay on the compressor or the board on the front either way you will need to get an engineer in

Dec 11, 2007 | Frigidaire 5 cu. ft. / 142 liter Chest...

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