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

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Mountain of ice in walk-in(floor), around the parts(ceiling)

I have a mountain of ice in the walk-in freezer and the repair person can't get to the leak on the ceiling because that's covered with ice too!

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No choice but to move your food to a secondary unit & defrost the walk-in. If you go chipping around your condenser you risk more damage. Hopefully you have seperate breakers for you walk-in vs other cold storage areas.

Posted on Apr 22, 2009

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FREEZER MAKING ICE, BUT FOOD IS THAWING


If you have a Freezer on the top model Kenmore, with warm temps in the fridge, AND water dripping onto the top shelf of the lower fresh food compartment (FFC), this is usually caused by a clogged defrost drain. Since Kenmore is not an actual manufacturer of anything, they take other brands, i.e. Kitchenaid, GE, Frigidaire, etc., take their names off and put on a shiny Kenmore nametag. This is a common problem with Kitchenaid refrigerators. You can determine if your Kenmore is made by kitchenaid by looking at the model # tag. the first three digits will indicate the manufacturer, Kitchenaids begin with the sequence, 106.*.If this is indeed how your model # begins, keep reading. Since the water cant go down the drain tubing to the pan at the bottom of the unit, it builds up on the freezer floor, eventually blocking the air return vents from the fridge to the freezer, and the vent from the freezer to the fridge. YOu can check this very easily. Look at the ceiling of your FFC, near the back. toward the sides you will see two square holes, about 2" square, stick your finger and feel around the inside of those holes, do you feel any ice/frost, or do you just feel styrofoam, you might even see frost/ice below the level of your ceiling? This drain usually gets clogged with defrost water that does not completely drain, then of course it freezes, eventually plugging up the drian hole located at the level of your freezer floor, behind the back wall. The water keeps accumulating, and freezing, on the freezer floor, eventually filling in and clogging the air vents..no air flow , the fridge wont cool. The easiest way to resolve this, empty out all contents and store someplace cold for 24 hours...a 2nd fridge, outside in a cooler if its cold like here in chicago. After its empty, unplug, open both doors and blow a fan for 24 hours. Prepare for an abundance of water due to melting ice.
After you defrost, you can plug it back in and it will be fine, HOWEVER, I suggest you take the back freezer wall off, you might have to take a floor cover off first, likely 2-4 screws in both the floor and the back wall. When you have the evaporator exposed, you will see a black cal rod defrost heater underneath the evaporator, as well as your drain hole just to the right of center underneath both heater and evaporator. Take a piece of 12-14 gauge solid, not stranded wire, removing the insulation and exposing the entire 6-8" piece of copper wire. wrap the wire around the diameter of the cal rod heater, 3-4 turns should be sufficient, and stick the other end of the wire down that drain hole. This will melt any ice that will build up in the future, everytime your unit goes into defrost cycle, so this wont happen again.

If air vents are clear of frost/ice, next thing to check is the back wall of your freezer, does there appear to be frost/ice/snow on the back wall? If so, your unit is not defrosting. On most Kenmores, this is usually caused by your defrost timer, located in the canopy mounted at the top of the FFC on Top freezer models, or your defrost thermostat, which is clipped onto the evaporator coil inside your freezer. Again, if its a 106 model Kenmore, this thermostat will have a pink and a brown wire coming into/out of it. My suggestion, if it isnt defrosting, change both. tjhe defrost control will connect with a plug, but you will have to hard wire the thermostat, ( cut wires from old, strip wire, and connect using wire nuts and electrical tape.)

Since y ou mentioned the water accumulation, more water recently, my diagnosis would be the former versus the latter, as the lack of actual defrosting coincides with lack of defrost water, however I'll never say never.

If your unit is a side by side model, check for ice on freezer floor...clogged drain. Check again for frost/ice on back wall, not defrosting, check same two parts, (the heaters rarely go bad on Kitchenaids, but never say never) You should also check for air flow into fridge, even if no frost / ice visible on back wall. Open the FFC door, and locate the air vent near the top, back of the fridge, on the left wall. While depressing the door switch, AND WITH THE FREEZER door closed, put your finger/hand near that vent. Do you feel any cold air? If you dont, you could have a bad door damper, not uncommon, or a bad damper control--> the temperature control WITHOUT the off or "0" position.

If any of this seems a bit overwhelming, I suggest you have a reputable repair technician check your fridge.

Oh, and lastly, you WILL NOT have two compressors, one for each compartment, nor will you have two sets of defrost heating elements, one for each half.
ALL cooling for 99% of refrigerators made in last 25 years takes place in the freezer, with the fridge being an empty box, except for an air intake vent, and an air exhaust vent which leads directly back into the freezer. When a refrigerator unit seems to still be cold in the freezer, but not cold enough or not cold at all in the FFC, its ALWAYS going to be caused by lack of air flow. But as you can see, there are a few things that can cause that lack of air flow.

Apr 05, 2010 | Frigidaire 14.1 cu. ft. Upright Freezer...

1 Answer

What should the freezer temperature shouls be????????????????


Normally, freezers are at 0 degrees. If you have ice cream, shoot for -10 degrees.

hope this is what you are looking for.

Feb 21, 2010 | Nor-Lake Freezer Norlake Refrigeration 6'...

1 Answer

Norlake freezer 6x6 not freezing enough


Normally freezers are kept at zero. Most health departments will not allow the temp to be higher than plus 10. If you want to store ice cream, you need to be at minus 10 degrees to minus 15 degrees.

let me know if I can be of any further help.

Sep 29, 2009 | Nor-Lake Freezer Norlake Refrigeration 6'...

1 Answer

My walk-in's ceiling panel is dripping


The coil in the conditioned space is called the evaporator.
If the water droplets are forming on the ceiling around the evap, it is due, most likely, to the defrost cycle being too long.
Defrost cycle: compressor stops, evap fans stop, electric heaters in the evap come on to clear any ice/ frost on evap fins/ coil.
The ice/ frost melts and some of it turns into vapor. As it hits the cold ceiling surface, it condensates into water droplets. Defrost cycle could be too long. Usually 4 time aday and no longer than 30 minutes should be enough unless there is high humidity.
There could be another cause.
Normally, after a defrost cycle terminates, the evap fans do not come on, due to a delay control. This prevents circulating warm are due to the heaters. The compressor comes on and cools the evap down to, usually 20 degrees or so, and then the fans come on. What could be happening is, the fans are coming on too early and blowing the water driplet off the evap and onto the back wall of the unit.
A third item, is to be sure that the condensate drain is "P" trapped. The prevents warm, outside air from being drawn in and causing exess frost build up, thus excess water and vapor.

Good luck and hope this helps

Jul 24, 2009 | Nor-Lake Freezer Norlake Refrigeration 8'...

1 Answer

New White Mountain ice cream maker motor screeches to the extreme! Managed to quiet down some as we shut the door and let it run...but don't know if the thing will just up and die soon. This was the...


There's a place on the internet called Blue Ridge or something like that that will do warranty for the drive motor. google something to the effect of white mountain Freezer repair" or something like that and see what turns up. The phone number for warranty is 800-343-0065 and if you send them a copy of your receipt and $10 for shipping, they'll send you a new drive unit if the freezer is less than 5 years old. They don't even want the old one back!! A replacement drive unit is $149, so the $10 deal sounds good to me!! The parts used to come out of Neosho Missouri, but that oculd've changed. These freezewrs are the Cadillacs of the industry, but t=anything can fail I guess.

Max


May 06, 2009 | White Mountain Freezer F69206-X 6 quart...

2 Answers

My walk-in freezer is developing stilagtights (ice castles) on the floor and cieling in front of the evaporator coil.MY drain pan is not plugged when I pour water down it.


You should check for air leaks around the door gasket or any other openings in the compartment such as where pipes or wiring is going through the wall. It sounds like a moisture problem from moisture being drawn into the compartment pass door gaskets or access holes.

Mar 07, 2009 | Nor-Lake Freezer Norlake Refrigeration 6'...

1 Answer

NorLakeModel KLC45-WL-AUC26


WALK INS HAVE TWO THINGS THAT SHORTEN DEFROST OR MAKE THEM LONGER. IF ALL THE ICE IS BEING CLEARED BY THE HEATERS IN THE COIL THEN IT WILL KICK OUT AUTOMATICALLY IF DEFROST CONTINUES AND THE COIL GETS TO HOT DUE TO AN OVERTEMP SENSOR ON THE COIL. HOWEVER IT WILL STAY IN A DFROST AS LONG AS IT IS PROGRAMMED TO UNLESS THAT SENSOR TRIPS. SO...... LOOK AT THE TIME CLOCK AND SEE WHAT LENGTH OF TIME ITS IS SET FOR. USUALLY A DEFROST CYCLE WILL BE SET FOR 30 TO 40 MINUTES. IF SET TO LONG THEN DEFROST GOES TO LONG AND ONLY COMES BACK ON WHEN SENSOR TRIPS. ADJUST CLOCK TIME TO 30 MINUTES OR 5 MINUTES LESSS THAN ITS SET AT RUN A FEW DAYS AND OBSERVE ICE FORMATION ETC. CLOCK MAY BE STICKING AND MAY NEED A LIGHT DRENCHING OF THE GEARS WITH A LIGHT OIL. TURN IT AROUND A FEW TIMES TO SPREAD OIL AROUND. YOU COULD RUN A CHECK ON THE CLOCK BY SETTING THE TIME TO TWO MINUTES AND GENTLY TURN IT TILL ITS CLICKS INTO A DEFROST AND WAIT . IT SHOULD COME OUT OF DEFROST AND BACK INTO REFRIGERATION IN 5 MINUTES. IF DEFROST IS SET WAY TO LONG THEN IT HAS BEEN RELYING ONLY ON THE TEMP OVERTEMP SENSOR TO TERMINATE DEFROST. IF IT FAILS THEN THE EXCESSSIVE DEFROST WILL CONTINUE TILL PRODUCT MELTS. SETTING THE CLOCK TO A SHORTER TIME SHOULD CORRECT BUT THE OVERTEMP SENSOR IS PROBABLY BAD . AVAILABLE FROM MOST COMMERCIAL REF REPAIR COMPANIES. OR YOU MAYBE CAN ORDER FROM MANUFACTURER AND CHACK EXACT OEM PART WIRE FOR WIRE ETC. LABEL ALL WIRES . TURN OFF POWER, TEST IT. MAKE NOTES.

Oct 21, 2008 | Nor-Lake Freezer Norlake Refrigeration 6'...

1 Answer

Replacement door seal for walk in freezer


First, call Restaurant Parts and More (1-888-814-1110) and ask for Rick. He can help either get you the seal or have one custom made. I've used him for 15 years with great success. If you have model and serial, it would be even greater.
He can do the same for the heaters that go around the door frame.

Don't understand which "Line" you are referring to. In alot of cases, the drain on the drain pan is clogged. This causes water to overflow onto the floor. The drain can be clogged from trash getting into it. Most of the time, the drain heater is either not working or not ever installed. Water refreezes in drain line and causes the overflowing problem.
If this does not help, let me know. Clear up the "Line "question and maybe I can go alittle deeper into this.

Aug 16, 2008 | Freezers

1 Answer

Norlake walk in fridge


Yes if the evaporator drain is blocked or not attached correctly it causes the humidity to remain in the refridgerator. Just opening the door will cause the warm are to enter and cause the symtoms of rain if the water is not taken out the drain properly.Hope this helps JT

Oct 15, 2007 | Nor-Lake Freezer Norlake Refrigeration 6'...

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