Question about Amana ABC2037DES Stainless Steel Bottom Freezer Refrigerator

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Where is the control board located on an amana abc2037des? Freezer won't defrost. I replaced the defrost heater and the thermostat defrost kit. Now what? I am thinking the control board is bad? thank you, Chris

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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: I have an amana abc2037des.

In both cases it was the defrost timer, an electric clock switch that turns the defrost on & off. On these, you can check this by manually advancing the timer until it goes into defrost. On my ~8 year old Amana, the timer can be advanced at a recessed screwdriver-slotted red knob on the ceiling of the frig portion just behind the panel with the temp controls. If yours has this, advance the knob & see if the defrost turns on (you can tell because the switch clicks and if the compressor is running at the time, it shuts off).

Easy and cheap to replace, if that's the problem. Also if the thing's iced up you can defrost it a couple times this way and get air moving again until you can replace the part.

Other guess could not thermostat. That doesn't control defrost. First check for power on the defrost heater. If none then check deforst timer for power in. If present then change defrost timer. That is where power comes from to the heater. If power then bad heater.

Thermostat controls the compressor. When the temp inside goes up the thermostat turns on the compressor to cool the fridge or freezer. Here's the diagram. It looks like if the thermostat is "open", the heater won't run...

3a18f9c.jpg

Also, in thius links, can check info...
- applianceaid.com/defrost_cycle.html
- applianceaid.com/frig_notcold.html#ff

Hope helps.

Posted on Sep 10, 2010

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1 Answer

On several occasions, I've emptied, unplugged and defrosted the unit which solved the problem for several days. It seems to happen most often during humid weather. I'm sure it's a defrost...


Good Afternoon, My name is Houston and thank you for using FixYa! Your defrost system is made up of three components: defrost heater, defrost thermostat and defrost timer/control board. Since you have the ABB2223DES Amana the defrost timer is incorporated into the electronic control board (P/N: 12868513) which is located behind the control panel in the refregerator section. Unfortunately, it is in the $100 range, so let's hope that it is either the defrost heater (P/N: 67001794) - approximately $30 - and is located on the right side of the evaporator (the coils in your freezer section). If you have access to an ohm meter, you can test it by disconnecting and doing an ohm check - anything but an open or infinity reading usually means it is good. The last item is the defrost thermostat which is located near the evaporator (P/N: 12001937). It can also be checked with an ohm meter and the normal readings are 28-48 ohms. 10_4_2011_7_26_31_pm.jpg

Oct 04, 2011 | Amana ABB2223DES Stainless Steel Bottom...

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I cant locate the defrost timer on my amana AFD2535FES. my freezer is cold but the fridge isn't


Hello,
That model refrig. does not use older style parts sorry their is no defrost timer. What is uses is a control board to turn on the defrost cycle. Before replacing the defrost control board check the defrost heater and thermostat first. Check both defrost heater and defrost thermostat first using a meter to check continuty on both of them. If either the defrost heater or t-stat dont hav econtinuty they will be the problem. If both check good the control should be replaced. These pictures show where the defrost heater and thermostat are while or model will look different the location of them will be very similar RMOSTAT IT MUST BE COLD SO CHECK IT WHILE FROST IS BUILT UP AROUND IT.oldtech2332_11.jpgoldtech2332_12.jpg

Aug 16, 2011 | Refrigerators

1 Answer

Amana ssd21sw stop cooling freezer side frost in rear wall any sugestions


Defrost cycling problem which will affect cooling the fridge compartment by struck the freezer fan's function.To solve defrost problem:
First, locate the defrost timer which may hidden behindcorners of the fridge at the back bottom, in some models located in the ceilingof the fresh food section or behind the cold control cover. Once you locate thedefrost timer, slowly turn the screw in the middle of the defrost timer withstraight screwdriver until the fridge shuts off. Now it's in defrost. If thedefrost heater(s) starts, replace the defrost timer and defrost thermostat. Ifthe heater(s) does not start, unplug wire cord to check ohm test for continuityof heater. If continuity is there, plug cord wire which gives power 120volts(check specification) to heater. If heater no starts, bypass defrost thermostatby join the 2 wires in the defrost thermostat. If the heater now comes on,replace the defrost timer and defrost thermostat. If the heater itself is bad,replace it. Thanks and hope helpful.

Feb 01, 2011 | Amana 22.6 cu. ft. Side-By-Side...

2 Answers

What if both sides of the refrigerator is not getting cold?And the back of the freezer side has frost.


Defrost problem. Either the defrost thermostat, defrost heater or defrost control board needs replacement. The defrost heater has to have continuity. The defrost thermostat has to have about 0 Ohms while it's cold. If both test out ok - replace defrost control board.
Part locations: Defrost heater and thermostat: under your frosted cover; control board - left upper corner of fresh food section, under the damper cover, in the middle.
Part numbers:
240554502 - control board
5303918255 - defrost heater kit
Can't find the part number for the defrost thermostat

Oct 17, 2009 | Frigidaire FRS26R4A Side by Side...

1 Answer

I have an Amana fridge with bottom freezer that keeps freezing up. I replaced the defrost timer and that fixed it for about two weeks and now it's freezing up again. I think the defrost timer has broke...


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 the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it’s bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it’s in the defrost mode.

If you have a defrost timer you can test it. It can be located under the fridge behind the kick panel on the front. Some are in the fridge with the controls at the top. You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer because that means the timer is not running. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

If you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located in the fridge with the controls in some models and on the back in others.

Oct 16, 2009 | Amana 22.6 cu. ft. Side-By-Side...

1 Answer

My Amana bottom freezer frig is freezing up. thawed it, took 3


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 the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it’s bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it’s in the defrost mode.

If you have a defrost timer you can test it. It can be located under the fridge behind the kick panel on the front. Some are in the fridge with the controls at the top. You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer because that means the timer is not running. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

If you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located in the fridge with the controls in some models and on the back in others.

If you need help finding your model number see here> http://www.appliancepartspros.com/modelnumber_locator.aspx

To locate your timer, motherboard, control or adaptive defrost control , enter your model number and search for the part or post back on Fixya.
http://www.searspartsdirect.com/partsdirect/index.action?psid=26129238&sid=PSx20071217x00001a

Oct 01, 2009 | Amana ABB1927DE Bottom Freezer...

1 Answer

Automatic defrost not working, but manual is?


Yes if the heater and defrost thermostat are good then the problem is the control board.

Sep 04, 2009 | Amana ARS266ZBS Side by Side Refrigerator

1 Answer

Freezer fan is on constantly, replaced heater and thermostat, could it be the defrost timer and where is it located?


There is a control board located on some models. I will give you the link below you can call and ask where and how because the prints are not very helpful. Thanks, Sea Breeze
click link below

http://www.appliancepartspros.com/partsearch/model.aspx?model_id=9307

Apr 28, 2009 | Refrigerators

1 Answer

Bottom freezer icing up


there is an issue with your defrost. either your bi-metal thermostat, your defrost heater or your defrost timer/control are bad. you can check the thermostat and the defrost heater with an ohm meter on tone. they are both located behind the back panel in the freezer. ( Note: do not thaw freezer until thermostat has been checked, otherwise it will test bad due to warm temp ). if both thermostat and heater have tone, then the defrost timer/control is bad. Joe

Nov 18, 2008 | Amana Refrigerators

1 Answer

Maytag (Amana) ABC2037DES Refrigerator not cooling


Hello TraciK,

It is likely you could fix it YOURSELF
for less than the cost of your ruined food...
(we can do this).

Refrigerators... while divinely simple... are self
sufficient (noble) appliances that are designed to
take care of themselves. Clean them, love them & they
will serve faithfully for DECADES...

ELSE... comment me back (I do love'em).

I have a '94 Amana.. Counter depth, STAINLESS,
water/ice door service...
(the only appliance that survived our "kitchen refresh")

Likewise mine also DOES NOT have a DEFROST TIMER...
but an electronic PC (printed circuit) CONTROL BOARD...

Mine (of course) is MANUFACTURER DISCONTINUED
so count yourself "LUCKY" ...

NOT only are your parts available... but
reasonably priced... (see below).

If you "refrigerator" has been UNPLUGGED for
three days... (and I am right) it should run NICELY
for a week or 10 days... before FAILING on the "REFRIGERATOR" side...
(frosting up... blocking AIR FLOW).

You are most likely suffering from a DEFROST
circuit FAILURE.

Not unlike the simple TIMER the DEFROST circuit
operates 2 or 3 times each day...
(about 45 minutes).

As the entire interior of your "FRIG" is soft
plastic... going above 55 to 60 degrees Fahrenheit
could/would case serious damage to your
REFRIGERATOR'S soft plastic interior...

Ergo... your defrost heater is under the
control of a DEFROST THERMOSTAT... designed
to go "OPEN" (no connect) at temperatures
above 55 degrees (room temp (chilly))...

This is ENOUGH to melt frost but not affect your
food... nor cause damage to the soft PLASTIC
REFRIGERATOR'S interior.

To test for DEFROST issues on a single EVAPORATOR
refrigerator (yours)... you need only look through the vents of one that has been running a COUPLE of WEEKS.

You will likely see an EXCESSIVE build-up of FROST.

/If you look into your defrost pan... it s likely quite DRY...
Testing with a clean, fresh piece of typing paper ..
would QUICKLY leave water marks on a fresh [piece
of paper...
(Same as testing for a leaky valve under your sink).

~~

((a single drop will QUICKLY mark the paper)).

There are only 3 parts to YOUR defrost circuit:
- Defrost PC Board
- Defrost Thermostat
- Evaporator Heater element

The only other (REMOTE) possibility would be the
AIR-FLOW is being blocked by a bad "DAMPER"
(also has video instructions (see below)).

Video
http://www.appliancepartspros.com/whirlpool-board-jazz-wpw10503278-ap6022400.html#autoplay

Part: PC Board (WPW10503278)
http://www.appliancepartspros.com/01-cabinet-back-parts-for-amana-abc2037des.html

Damper Control (part number WP67003903)
http://www.appliancepartspros.com/whirlpool-control-damper-wp67003903-ap6010385.html

Happy hunting!
Carnac the Magnificent

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