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Compressor cycles turns on then off in 5 seconds

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  • liltress361 May 14, 2009

    walk in cooler. i think it might be stuck in lra its pulling 15 amp before it shuts off

  • Farley Redfield
    Farley Redfield May 11, 2010

    Is this an automotive AC?

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Could be but I figure if its just 15 amp thats its pulling thaT isnt LRA. Especially if its over 1 HP or 1 ton (unless its 220V) Try the start components before deciding the compressor is out. Look at my tips and tricks for a compressor check out.

Posted on May 17, 2009

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21 year old GE TBX18SLS top freezer refrigerator. Stopped cooling completely and lost all food in fridge/freezer. Cleaned out underneath and found compressor and fan turn on but only stay on for approx...


Hello,

Yes that does sound like very likely the relay is bad,by removing it from the compressor and turning it upside down you can test it using a ohm meter. When turned upside down the meter display should be ZERO ohms resistiance. Also the thermodisc overload should be ZERO ohms when measureing it on the wire that slips onto the compressor pin and on the other wire . Oh to measure the relay the meter leads go into the 2 terminals where it plugs onto compressor.

NOW the bad news the original parts are no longer available,but their is a aftermarket relay/overload combo that would work its sold under the SUPCO name brand and is part number RO41 it should be available at your local appliance parts store or online at;
repairclinic.com
apdepot.com
partselect.com
apwagner.com

Good luck,
GENE

Aug 27, 2011 | Refrigerators

1 Answer

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

1 Answer

A/C compressor turns on intermittently, no cold


It is a possibility, go to the low side inlet valve and release a liitle bit of freon at a time and see what happens, do it with the engine off and start it up to test.

May 28, 2010 | 1998 GMC Jimmy

1 Answer

I have a fujitsu asta18lcc when you turn it on there is no operation. The louvers open and the timer and operation lights blink 5 times then there is a 6-7 second pause then the cycle repeats


Below is an extract straight from the fujitsu service manual:

Compressor location error
The compressor speed does not synchronze with the control signal. (Including start up failure of the compressor).
> permanent stop.
[Diagnosis Point]
Check if 2-way valve or 3-way valve is left open.
Check the compressor (Winding resistance value, loose lead wire).
Refrigeration cycle defective (Refer to after mentioned "refrigerant cycle diagnosis")

May 13, 2010 | Fujitsu 18C1 Air Conditioner

1 Answer

AC is off but compressor cycles periodically


most likely your compressor contact is stuck closed, and will need to be replaced. if the fan also runs when the compressor comes on you may have a short between the t-stat and unit. hope this helps.

Jun 14, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

When my cratsman 2hp 4 gallon air compressor gets to full pressure (about 100lbs) it will kick off for about 5 seconds then kick back on for 5 to 10 seconds then off, then on. Just wondering what the...


If there are no major leaks and the pressure gauge shows no significant pressure loss yet the compressor cycles on and off every few seconds, then the air pressure switch is not set correctly. Go to http://www.generalairproducts.com/fireprotection/images/stories/Pressure-Switch-Adjustment-042705.pdf It shows how to set various pressure switches.

Mar 15, 2009 | Craftsman Air Tools & Compressors

1 Answer

Side by side not cold


compressor overheated or stuck. also check starter relay...maybe broke.
if ever thing is alright,

let it stand for about 4 hours unplugged to cool the compressor.

plug it after 4 hours and if the compressor would still run for 10 seconds, then you have a faulty compressor.

tnx 4 using fixya,

drcool

Sep 09, 2008 | Kenmore Refrigerators

1 Answer

COLMAN TSR


3000 Watts is a little short on the power necessary for the compressor to restart. When it compressor starts it may draw 27 amps or more for a split second. 3000 / 120 = 25 amps. when the fan slows down it is telling you the voltage has dropped and it doesn't have enough power. After the pressure has balanced out in the A/C system the compressor can start against no pressure difference.

Jun 16, 2008 | Coleman Mach 15 Air Conditioner

1 Answer

Compressor Stopping


compressor is running overloaded possible problems bad relay/overload /capacitor dirty or clogged condensers if the unit uses a condenser fan suspect a bad fan. and defective thermostats are notorious for short cycling. id check the coils first and if dirty clean up maybe that can be the major problem.

Apr 22, 2008 | Frigidaire 9 cu. ft. / 255 liter Chest...

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