Question about Manitowoc Ice Dispenser Floor Model Push Button 180 Lb Storage Designed for 30 or 22 Top Mount Dice or Half Dice Cube Ice Maker Sold Seprately

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I own a model HDIM70 EverStar ice maker. It runs 2 cycles and then the ice freezes to one big glob like the defrost cycle is not working. The coils do go through the defrost cycle as they get warm but the ice cubs will not drop. Can you help.

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SOURCE: my SD0502 ice machine is dropping only once an hour

sounds like you got a bad water level sensor.

Posted on May 07, 2012

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Ice forming

  • One cause of this is the compressor is going bad or Freon is low. The freezer is no longer able to achieve the zero temperature requiring the compressor to run continually. The refrigerator because of the continues running begins to freeze up. Food in the refrigerator begins to freeze and the freezer is not as cold as it should. This results in a very expensive repair of replacement of the unit .
  • The defrost cycle is not working. Depending on the conditions the unit has a sensor that detects when the defrost cycle should initiate. If this fails to occur than ice builds up on the coils and air can no longer pass preventing the normal cooling process. Many models use a mechanical timer that stops. On some units the defrost cycle can be initiated via advancing the mechanical timer. This repair is a reasonable expense.
  • The third possibility is a door was left open and the unit iced up the cooling coils. Suggest in that case shut off the unit , remove the food and allow the unit to manually defrost, Restart and see if unit gets cold and defrost cycle is working.

Nov 22, 2015 | Refrigerators

1 Answer

It will not stay in harvest cycle long enough to make ice before it goes into defrost

First it has to go through freeze cycle then harvest cycle to drop ice then back to freeze cycle. If you have never worked on ice machines before you should call a service company.

Aug 16, 2013 | Manitowoc QY-0214A Self Contained Ice...

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

Ice maker just stopped making ice. had no problem up to a complete stop

Hi and welcome to FixYa, I am Kelly

First off make sure the water in door still works. If it does not work suspect the door / light switch.
Next make sure the freezer temp is below 16 Deg F. The ice maker has a thermostat that starts the ice harvest / fill cycle and if the freezer is warming up because of automatic defrosting problems (Ice build up on the evaporator coils) the ice maker will never cycle. If you note an ice build up in the back of the freezer compartment or poor air flow from the evaporator fan you have an automatic defrosting problem. If the fan is not running at full speed the bearings or windings on the evaporator fan are failing and there is not enough air flow to get the freezer to @ or Below 16 F.

Check to make sure the evaporator fan in the freezer and the condenser fan in the rear bottom of the unit are running un-obstructed. (clean as necessary.... but if the front of the cabinet is hot to the touch then the condenser coils my be clogged with lint or... the condenser fan is not running full speed.

The ice maker may be cycling but it may not be filling with water. If it is cycling but your not getting any water.... at all the prime suspect is the solenoid on the inlet water valve. The water valve is not repairable.

Make sure that the rubber fill tube on the back of ice maker is not blocked with ice... squeeze the end of the tube. If it is frozen with ice... the inlet water valve is bypassing water off cycle and causing the tube to freeze up. The only remedy for this is to replace the inlet water valve.

Thanks for choosing FixYa,

Apr 19, 2011 | GE Profile 25.6 Cu. Ft. Side-by-Side...

1 Answer

My icemaker is not working.

Hi and welcome to FixYa, I am Kelly.
Often when ice makers slow production or stop making ice it is because the freezer compartmet\nt has warmed up above 17 Def F and the ice maker thermostat will not cycle to start the ice harvest cycle.

In the back of your unit you will have an inlet water valve assembly that will look similar to this one:

Water Dispenser Not Working Check the water supply to the water inlet valve. Check the water filter. ( if applicable)
Check the water inlet valve
Make sure the Temperatures in the Fresh? food section and the freezer sections are normal. 33 to 42 in the Fresh Food section and 0 to 10 in the freezer. Or check that the controls, both the fresh food and freezer section controls are set on the "normal" settings. If the controls are set too cold it will cause the water? tank or tubing to freeze.
Dispenser switch not? working, check for continuity

Dual Water Valvedual_water_valve_small.jpg

One side of this valve does the water in the door, the other the water for the ice maker

Disregard any reference to water in door if your unit does not have that capability and there will only be ONE solenoid on the inlet water valve assembly.
If the solenoid coil fails it will not open the water source to supply water to the ice maker. This solenoid is only energized for 8 to 10 seconds as the ice maker sweep fingers (Called ejector blades in the manual) reach the 10 - 11 o'clock position during the harvest cycle. All you will hear is a minor buzz and maybe a minor thump of the plastic water line but the ice maker fills during the last 40 % of the harvest cycle.

Here is a manual you can use for troubleshooting:

Note the requirements to test the ice maker using the manual above are:
Door light switch plunger depressed (Taped down) and the freezer temp from 0 - 10 deg F.
You will need to make a jumper wire to jumper terminals T to H inside the ice maker front cover to start the ice maker test. If it cycles with the jumper the thermostat is good. If it does not cycle then either the thermostat has failed or... there is no power coming from the door light switch. (Bad door switch)

If all of the system tests pass and you still do not have water.... suspect the inlet water valve (pictured above) or the water supply as the source of the problem.

More often than not.... the real problem turns out to be ice build up on the evaporator coils due to an automatic defrosting problem. Should you discover a build up of ice on your evaporator coils do a MANUAL defrost session by unplugging the unit and directing a fan into the freezer compartment for just over 2 hours. (Makes a water mess so be ready!) After the manual defrosting return the unit to normal service. You should have ice again within 12 hours. Keep an eye on the evaporator coils for the next 5 days because if you do have an automatic defrosting problem the symptom WILL return in a matter of 2 - 4 days. If the ice block returns.... have the automatic defrosting problem corrected to keep your ice maker working normally.

Thanks for choosing FixYa,

Apr 09, 2011 | Maytag MFI2568AES Stainless Steel Bottom...

2 Answers

The freezer isn't making alot of ice. Can the hose behind the ice maker freeze?

Hi and welcome to FixYa, I am Kelly.

When a refrigerator slows down ice production it is usually the result of poor air-flow through the evaporator coils. The poor air-flow is due to ice build up on the evaporator coils. The ice build up happens because the unit is not defrosting properly or the evaporator fan is not running at full speed.

To answer your question "Can an Ice-maker tube freeze?" Yes, they can and do freeze but when they do freeze that is caused by a defective inlet water valve that is leaking water by when it is supposed to be shut off. It can freeze if some one set the temp control to MAX cold. Additionally when they do freeze and the Ice-maker cycles the plastic hose on the back of the unit pops out of the ice maker tube and each cycle starts porting ice maker fill water on the floor.

This may sound odd.. but. Perform a manual defrost by removing the freezer contents and directing a fan into the freezer compartment for just over 2 hours. (Makes a water mess so do not leave it unattended) The return the unit to normal service and after 8 hours start watching the amount of ice produced. (Should be normal for 2 days!) If after 2 days the ice production slows again you have an automatic defrosting problem that is causing the ice build up on the evaporator coils.

If you need any more assistance please include your complete model number in any future responses.

Thanks for choosing FixYa,

Feb 15, 2011 | Whirlpool 25.6 cu. ft. Side-by-Side...

1 Answer

My ge side by side refrig freezer gets on the auto defrost cycle in the freezer and then all the ice cubes in the ice maker freeze into a solid ball of ice. The ice maker does not work after that. Why does...

The evaporator coil behind the cover on the back wall inside the freezer will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the defrost heater on to melt the built up ice. There is a defrost thermostat which prevents the heater from overheating the freezer by breaking the heater circuit when the temp reaches close to 32 degrees F. The entire cooling system shuts off during the defrost cycle and starts back when the timer advances through the cycle.

If this ice is not melted it will continue to build up until the air can't flow over the coil to circulate the cold air through the freezer and into the fridge. The temperature change in the fridge is usually noticed first followed by the freezer.

If the defrost thermostat is bad, it can prevent the heater from coming on OR it won't turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.
With an ohm meter it should show continuity when cold and none when warm.
You can also bypass(disconnect the two wires plugged into it and twist them together) the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

Nov 02, 2010 | GE Refrigerators

1 Answer

My freezer is frosting up on the back wall and sometimes makes a clicking noise. It also takes about 4 hours to freeze the water in my ice cube trays. What is the problem and any suggestions how to fix it?

You could very well have a defrost issue at the evaporator coil. Every evap coil, which is located in freezer section, will eventually accumalate ice by virtue of moisture hitting a -5 degree coil. The point though is that 2 to 3 times a day the freezer should cycle into a 10 to 20 minute defrost. There are three components to the defrost cycle... the defrost control (which can either be a timer, or a circuit board), a defrost heater, and a defrost sensor. Some of the Whirlpools had defrost sensor problems that were built between 2000 and 2008.

In all honesty, unless you feel comfortable removing the back interior panel in the freezer, then I suggest calling a professional

Mar 03, 2010 | Whirlpool 21.0 cu. ft. Top Freezer...

3 Answers

Water pooling and freezing inside bottom freezer

I had the same problem with my LRFC25750 and have finally figured out what's happening! The water that is pooling and freezing on the bottom of the freezer is definitely coming from the defrost cycle. It is pooling inside the freezer compartment because the drain inside the back of the freezer intended to carry the defrost water down to the external evaporator tray underneath is blocked with ice. As a result, the defrost water from the coils overflows the collector under the coils and runs down the inside back of the freezer, pools on the bottom, and re-freezes when the cycle is over. this continues until there's so much ice on the bottom that the water from next defrost cycle runs out on the floor. The "easy" solution is to unplug the unit and let it completely melt out (this could take 24-36 hours). I couldn't wait, so I removed the freezer drawers and their tracks and pulled out the back panel inside the freezer -- saw the ice in the collector and blocking the drain and I melted it away with hot water and verified that water could now flow down to the external evaporator tray. Unless you want to do this, I'd say give it a good 24-36 hours for all the ice to melt away. I think it all started when we left the freezer door ajar for a whole day and probably had a lot of frost build-up on the coils. The next defrost cycle was not enough to clear all the frost and things began to build up from there. Once the drain is frozen, though, you're finished -- the defrost heater doesn;t reach down that far and you have to melt it down completely or it will continue to leak forever. I've heard that you can get a drain heater to ensure that the drain never freezes over or at least so that it is sure to clear with each defrost cycle. I'll post an update if I locate one.

May 21, 2007 | LG LFC25760 French Door Refrigerator

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