Question about Paragon 8145-20 Defrost Timer

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8141-00-oem want come out of defrost mode?

The defost termination switch stay closed in defrost mode on a true freezer

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You can contact Paragon (owned by Invensys Controls) Tech support at 800 445 8299 direct. When you call you will get an automated phone system. Navigate yourself to the defrost timer (not standard timers section) to get a tech rep.

Marty Walles is the most senior rep on these timers.


Posted on May 04, 2010

  • rhuneblade Nov 12, 2010

    Your clock timer needs to be replaced. when in defrost mode your defrost heater will remain online and your evaporator will not get cold enough for your defrost termination switch to close and engage the evaporator fans being that the switch is mounted on the side of the evaporator. On a true freezer I believe that switch will close at about 12 degrees farenheit.

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HOW DO YOU PUT REFRIG IN DEFROST MODE WHEN IT HAS ELECTRONIC DEFROST CONTROLLER


You didnt give the make of the ref.; But your solution is here for most all

The newest defrost feature in modern fridges is the electronic adaptive defrost control board. *Maytag has one version, see picture...to put this adaptive defrost style of fridge into defrost, short with a small screwdriver between L1 and test on the adaptive defrost board, wait 3 seconds and you should hear a "click" noise from the relay and the fridge will shut off and go through a defrost cycle. A close up common way *this* version of the Maytag/JennAir control is wired.
Amana also has a version of adaptive defrost, see info sheet for some help on the Amana version. Press refrigerator light switch five times in six seconds to initiate defrost cycle. Pressing five more times within six seconds will cancel defrost and go straight into the run mode. Similar operation on both bottom mount and SxS refrigerators. After the defrost terminator/thermostat opens, six minutes of dwell time occurs before the compressor and condenser fan motor will operate. After defrost terminator/thermostat open, 10 minutes of dwell time occurs before the evaporator fan motor will operate.
Frigidaire has also jumped into the market with an adaptive defrost board. The fresh food section light switch and light bulb must work. To initiate a defrost cycle, open the door and push the light switch in and out 5 times within 6 seconds. The compressor and fans should shut off and the defrost heater should come on. Open the door and push the light switch in and out 5 times within 6 seconds to remove the refrigerator from the defrost mode and back into a cooling mode.
Frigidaire - referance model FSC23F7DSB3
This product comes equipped with an Adaptive Defrost Control (ADC). To activate manual defrost, press and hold the Freezer temperature UP (WARMER) key while pressing the Fresh Food temperature DOWN (COLDER) key 5 times within 6 seconds. A ?¿½d?¿½ in the freezer temperature window and ?¿½F?¿½ in the refrigerator temperature window will display when the heater is activated. To deactivate manual defrost, press and hold Freezer temperature UP (WARMER) key while pressing the Fresh Food temperature DOWN (COLDER) key 5 times within 6 seconds. ?¿½d?¿½ and ?¿½F?¿½ will be displayed until the defrost cycle is complete. (approx. 8 minutes)
For some Whirlpool refrigerators - some Kenmore refrigerators are made by Whirlpool ( 106.######## )
The refrigerator/freezer defrost system can be checked by manually initiating a defrost cycle. There
are two methods of initiating the ADC Test Mode.
First Test Method:
1. Turn the thermostat off for 15 seconds.
2. Turn the thermostat on for 5 seconds.
3. Turn the thermostat off for 15 seconds.
4. Turn the thermostat on for 5 seconds.
5. Turn the thermostat off for 15 seconds.
6. Turn the thermostat on for 5 seconds.
7. Turn the thermostat off.
In 3 to 8 seconds the ADC should turn on the defrost heater (with the bimetal closed). NOTE: The test mode will terminate when the bimetal opens. If the refrigerator/freezer is already in defrost, Test Mode can be terminated by unplugging the refrigerator/freezer from the wall outlet and waiting 30 seconds before plugging it back in. The refrigerator/freezer should immediately go into cooling mode if the thermostat is closed.
If this first test procedure fails to make the ADC initiate a defrost cycle, try the following procedure to make the ADC begin the Test Mode.
Second Test Method:
1. Disconnect the refrigerator/freezer from the wall outlet for at least 30 seconds.
2. Turn the thermostat off.
3. Reconnect power to the refrigerator/freezer.
Within 3 to 8 seconds the ADC should turn on the defrost heater (with the bimetal close). If the unit fails to go into the defrost mode during this test, the problem may not be with the ADC. A defective bimetal may be the cause of the failure. The ADC will only go into a test mode if the bimetal
is closed. If the ADC senses an open bimetal it will return to the cooling mode within 3 to 8 seconds.
HELPFUL HINT: Upon entering the Test Mode, the relay mounted on the ADC board should turn off the compressor and turn on the defrost heater. Listen for the relay to click.
?¿½ If the relay clicks one time when entering the Test Mode, check for continuity in the defrost heater.
?¿½ If the relay clicks two times, check for an open bimetal.

Maytag S-S Refrigerator MSD2756GEW forcing defrost cycle
I replaced my defrost heater two weeks ago, but the frost built back up on the evaporator coils. Replaced the adaptive defrost board with new ( Maytag p/n 6100598 8 ) board. Want to force a defrost cycle to see the heater work, so I shorted the L1 pin to adjacent pin (now called DOOR instead of TEST) for three seconds and nothing happens. Compressor keeps running, fans still going etc. Tried pressing the door switches 5 times in 6 seconds and that doesn't work either. Any hints on how to get the defrost cycle to initiate?
Hi,
This might help, a copy:
The issue is that some 12002104 ADC boards have been shipped in the 61005988 ADC board box. Do not reorder the board, the 12002104 board will function the same in place of the 61005988, but you must use the forced defrost method for the 12002104. Jumping "L-1" and "door" will not initiate the forced defrost function.
To Initiate Forced Defrost Cycle:
Cycle cold control on and off three times in six seconds. The cold control needs to be left in the closed (call for cooling) position for the defrost system to energize on all platforms. It is not enough to cycle the cold control knob, the contacts must actually open and close (open doors for a period of time if necessary to force the control to call for cooling). In most cases, you can hear the contacts open and close if they are doing so.
To Terminate Forced Defrost Cycle:
Disconnect power for five seconds.
You were right. I cycled the cooling controls three times and it went into a defrost cycle. Thanks.

Aug 08, 2011 | Refrigerators

2 Answers

My freezer has power, but the fans are not going on when the door shuts and the temperature is rising.


The defrost termination/ fan delay control is a temperature-activated, single pole-double throw switch. ).
The control is wired into the refrigeration circuit. The control is located high on the evaporator where the frost is likely to clear last. The function of this temperature-activated switch is to terminate defrost when the evaporator coil has been defrosted, and to delay the evaporator fans from coming on immediately after defrost.
The coil must reach a temperature of 25* F. for the fan delay to close allowing the fans to operate.bobicehouse_38.jpg

Jul 22, 2011 | True 49 cu. ft. / 1388 liter Commercial...

1 Answer

We have a Kenmore Elite Freezer Model #253.29082994. We had the freezer plugged in and it was working fine. We unplugged it and moved it and now when we plug it in it won't start. Is there some kind of...


You refrigerator was made by Frigidaire Adaptive Defrost Controls Frigidaire Refrigerator Trouble Shooting and Diagnosing
On the initial plugin, or when power is restored to the fridge after a power outage:
If terminating thermostat is open, the fridge enters a compressor (cooling) cycle.
If the terminating thermostat is closed, the first defrost cycle occurs 1 hour
after initial plug-in.
Maximum defrost cycle time is 24 minutes.
Minimum time between defrost cycles is 6 hours. (compressor runtime)
Maximum normal clock time between defrost cycles is 12 hours.
Maximum time between defrost cycles (in "vacation" mode) is 72 hours.
Vacation mode is not entered unless the door has not been opened in at least 24 hours.
Note that the ADC will only enter the defrost mode if the terminating thermostat is closed. If the terminating thermostat is open when defrost is initiated, the ADC board will wait for six minutes and then return to the cooling mode.
ASSUMING that the fridge has been on and running,
and the terminating thermostat is closed,
defrost is initiated by pressing the door (light) switch
at least five times within six seconds.
The defrost heater should start heating up within 8 seconds.
If the above procedure caused the heater to heat up, the ADC board is probably bad; replace it.
If the defrost heater does not heat up, test the defrost heater, terminating thermostat and cold control for continuity as follows:
Unplug the fridge from the wall. Unplug the ADC board from its connector.
Test the connector for continuity between the following leads:
Defrost Heater = DEF TERM (blue) to DEF OUT (brown).
Terminating Thermostat = DEF TERM (blue) to NEUTRAL (lt blue).
Cold Control = COLD CONTROL (orange) to L1 (black).
Replace the defective component.

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Apr 26, 2011 | Kenmore Freezers

1 Answer

We ve had the Bosch fridge-freezer (KGU3201GB/01) for about 10 years. Suddenly this morning the freezer started losing temperature, which rose to -13 degrees and the alarm went off. We put the...


Hi Robert, sounds like the unit is not defrosting.

Try this to indicate defost issues.
1. relocate food in the freezer, turn the unit off for 2 days and leave the door open, this will allow total defrost.
2. clean, then restart unit with door closed, after and every 2 hours check temp, I feel you may find it will get to its operating temp reasonably fast and should stay there.

If this is the case, I suspect the defrost heater element has failed and needs replacing, this is the most common cause of your type of issue.

Hope that helps and please dont forget to vote. Regards Russ

Mar 19, 2011 | Bosch 3.2 cu. ft. / 91 liter Upright...

1 Answer

I have a T-49 freezer with compressor running defrost timer board is showing in refrigeration mode. I have power on the #4 terminal going to the evaporator fans. Both door switches are closed. I am not...


most freezers have 2 controls. 1 is a defrost terminator and the other is a fan delay. the delay and the defrost terminator can sometimes be a "2 in 1" type switch. you would have to study the wiring diagram. The delay will not let the fans come on untill the evap reaches a preset temperature. take another look at the diagram. It may be that the evap is not getting cold enough. you may have a refrigeration issue.

May 15, 2017 | True 49 cu. ft. / 1388 liter Commercial...

1 Answer

KitchenAid fridge model #EE4412201, freezer is NOT defrosting. Air tower iced up a little, freezer floor all ice. water in back of fridge. Freezer is cold, fridge isn't. I cleaned the freezer, took the...


try a new defrost timer. or new kit defros timer defrost terminator and heater. tfound the timer rotate, open the freezer. if you hear a noise like ICE BREAKING. your onli problem is the timer. really important after repair your fridge. allow at least 24 hr for defost the whole evap. REALLY IMPORTANT

Mar 31, 2010 | Refrigerators

1 Answer

True freezer model TS49f-RC. Evaporator fans will not run. Defrost timer will not stay in defrost when manually turned to defrost. Believe defrost termination switch is bad. ?


You are most likely correct. Most manufacturers of freezers have fan delay/defrost terminators. But keep in mind that if the box is hot, it will not stay in defrost as that is what the terminator is designed to do. Does the unit ever get cold? You may have a refrigeration problem and the terminator is good. If you can give some additional info, I'll be glad to keep assisting you to get it going.

Nov 23, 2009 | Freezers

1 Answer

Freezer defrosting


need to defost the whole freezer get the door to close correctly...

May 27, 2008 | Frigidaire 20 cu. ft. / 566 liter Upright...

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