Question about Randell Refrigeration 111'' Refrigerated 4 Door Pizza Prep. Table - Poly Cutting Board Top

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Pizza make table

Top of make table working but lower unit not.Blowing warm air

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bobicehouse
  • 1524 Answers

SOURCE: I have a Randell 5ft

This unit uses Thermostat/Solenoid Valve Combination's to control the temperature

1. Rail 2. Bottom Storage

The way it works is the thermostat senses the need for cooling and energizes the solenoid valve. This allows refrigerant flow which cools the area it is controlling. Once the thermostat is satisfied the contacts open and the solenoid is de-energized closing the valve. If the solenoid is bad, the valve remains closed, no refrigerant flow, warm unit.

Test the solenoid coil (two wires) to see if voltage is present either with a volt meter, or remove the coil off the valve and place a screwdriver (insulated) through the coil hole and you should feel the pull like an electro-magnet (what a coil is).

Posted on Dec 05, 2010

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Air conditioning not blowing cold


may have air trapped in it still or thermostat is not working properly..

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Its not blowing any warm air out,and doesent seem to be collecting water..Has the Thermostat gone? thats if they have one.Thanks. (Airforce Dehumidifier Problems)


Dave, not knowing what make or model dehumidifier you have, makes it impossible to tell you if a thermostat (actually, it's a condensation sensor) is available or not. However, heat is only generated when the compressor runs. The fan alone won't generate heat.

There are several things that can cause the problem you're having.

1. The moisture extraction level is set to HIGH. Lower it to 35%

2. The Air Intake Filter is dirty and needs to be removed and cleaned.

3. The cooling coils are dirty and need to be cleaned.

4. If this is a basement application, the temperature at floor level is colder than at chest level.
Dehumidifiers struggle to work at temperatures are 65 degrees F or lower. Raising the unit up off the floor onto a sturdy table or counter top that can handle the weight of the weight of the unit, plus a full bucket of water will generally solve the problem.

If none f the above solves the problem, the condensation sensor may have failed or the compressor needs to be recharged with refrigerant gas.

Hope this helps you to troubleshoot & solve the problem. Thank you for your service and thanks for choosing FixYa.

Sep 23, 2011 | Heating & Cooling

2 Answers

The dehumidifier is getting cold condensation on the top outside of the unit and no water in the bucket. Model BGD-510A. I cleaned the filter and the coils and still have this problem.


Kathryn, if you are operating it in a basement application, the problem is that air temperature at floor level, is colder than at shoulder level. Dehumidifiers struggle to work at temperatures between 40 & 65 degrees F (Unless they are Low Temp model designed for basement applications). And will ice up at times. Raising the unit up off the floor onto a sturdy table, counter top, etc that can handle the weight of the unit, plus a full bucket of water, will usually resolve the problem.

If it's not a basement application, try lowering the humidity extraction level to 35%. In you have an analog unit, turn the control knob to Maximum.

I hope this helps you and thanks for choosing FixYa.

Aug 10, 2011 | Dehumidifiers

1 Answer

I have had the machine on for 5 days on high and have extracted less then a 1/4 inch of water. The back side of the machine is hot and blowing hot air - the motor runs but does not extract water Is it...


Possibly, but I doubt it. Because, there are 5 basic, yet solvable reasons for what you described. Please pay particular attention to numbers 1 & 2..

1. Operator Error - The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have a
mechanical unit, set the manual control knob to Maximum.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder
level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

Not all of the above will apply to your situation. But, they are good know for future reference.
I hope this helped you and thanks for choosing FixYa.

Jul 31, 2011 | Whirlpool AD25BBK Dehumidifier

1 Answer

Unit is running & blowing cold air. Unit is not sucking any moisture out of the air.


There are 5 basic, but solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have a manually
controlled unit, set the knob on Maximum.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

I hope this helped you.

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2 Answers

My refrigerator is not cooling and the freezer is not working. The fan is blowing warm air. What can I do?


I have couple videos of how change compressor on refrigerators. Here is one I did for pizza table, 3 door refrigerator. All compressors change outs will look similar, in some cases takes longer or less time. Hope that will help.

Jul 12, 2011 | Refrigerators

1 Answer

My pizza prep-table freezes everything. I think it might be the thermostat. Could I be right


Hi

Sounds like you are correct, unless the door seals are not in good order, air leaking in can fool the thermostat.

If it has a top section that the pans for pizza ingredients sit in check that the airways are clear and that the tins and lids fit properly.

Regards

Gordon

Apr 27, 2011 | True Refrigerated Sandwich Prep Table 72"...

1 Answer

I have a Randell 5ft Pizza Prep table that's not working correctly and was wondering if someone might be able to help me? The top rail is cooling like it should but the bottom storage area is NOT cooling...


This unit uses Thermostat/Solenoid Valve Combination's to control the temperature

1. Rail 2. Bottom Storage

The way it works is the thermostat senses the need for cooling and energizes the solenoid valve. This allows refrigerant flow which cools the area it is controlling. Once the thermostat is satisfied the contacts open and the solenoid is de-energized closing the valve. If the solenoid is bad, the valve remains closed, no refrigerant flow, warm unit.

Test the solenoid coil (two wires) to see if voltage is present either with a volt meter, or remove the coil off the valve and place a screwdriver (insulated) through the coil hole and you should feel the pull like an electro-magnet (what a coil is).

Dec 05, 2010 | Randell Refrigeration 60'' Refrigerated 2...

1 Answer

Why is there water pooling in my sandwich make up table? My reach in cooler, also?


During the cooling/freezing cycle condensation forms, this drips into a pan and then is evaporated by a heating element.
One of two things could be wrong.....
Your drip pan is clogged
or
your evaporator unit is bad

Hope this helps

Jun 22, 2010 | Randell Refrigeration 111'' Refrigerated 4...

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Central Electric heat not blowing hot or warm air


Make sure you are in the heat mode. Do you hear the wall thermostat click when you raise and lower the set temp. If not replace thermostst. Clean all filters to start. Does your heat source have a pilot light to start or is the unit located out side. If apilot light make sure itis lit. let's go from there

ddr_2u@charter.ner

Jan 13, 2009 | Heating & Cooling

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