Timer runs constantly. Runs cycle then shuts off and shortly later restaRTS.

It is called short cycling. Help below

If your refrigerator is short cycling, it can be caused by a number of issues including: An incorrectly set thermostat inside your refrigerator. Dirt and dust on the coils that prevents efficient operation. Faulty capacitors or relays that prevent the compressor from staying on.
Apr 14, 2019

Possible Causes For a Short Cycling Refrigerator

A to Z Appliance Service https://atoz1.com > News

I have a frigidaire freezer and its short cycling, it runs

JustAnswer https://www.justanswer.com > Appliance Repair
Sep 30, 2014 - i have a frigidaire freezer and its short cycling, it runs about 6 to 10 minutes and then cuts off. what can be the problem and how can we fix ...

1 answer · Top answer: OK so there are only 2 things that can cause this issue---either the defrost timer or the thermostat ...

Frigidaire S/S not cooling, short cycling

Appliance Parts Pros https://forum.appliancepartspros.com > posts > t55646...
Freezer or fridge does not cool at all. Evaporator fan runs, compressor try's to start and will hum/buzz for approx 7-10 seconds then an audible click and stops ...

Refrigerator short cycling and not cooling very well

Appliance Video https://www.appliancevideo.com > question > refrigera...
Compressor turns on during the short cycling and does produce cold air and cold lines going to the evaporator in the freezer. biggest thing is during the 3 ...

Frigidair freezer compressor cycling on/off

HVAC-Talk https://hvac-talk.com > vbb > threads > 53155-Frigidai...
Mar 7, 2021 - My Frigidaire freezer (upright) Model #FFU13F9GW is cycling. I hear the compressor try to kick on then shuts off after about 10 seconds. This has been ...

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It is very possible that the motor is shorting out.

air systems have a built in timer on them. 20 mins.
they are supposed to be shut off for 20 mins to cool the blower down then can be turned on again.

Sounds like you may have a bad motor. If the motor is overheating it will shut down on its overload.

If its a shorted contact in the timer you could mark the spot where it stops and restart it again. It should stop exactly at that point.

It might be but I would first check the condenser to see if it's blocked or if the condenser fan (if it has one) is not working. The "buzzing/humming/ticking" sounds you're hearing is the compressor trying to restart after it became locked down. Excessive pressures in the system or compressor overheating is usually the cause although sometimes the bearings in the compressor simply lock up.
Check to see if the fridge cycles on and off by the thermostat. If it doesn't cycle and just keeps running then the thermostat is bad and that can cause compressor failure thanks to "slugging". If it does then you want to check the defrost timer. Turn the timer's dial until it clicks into defrost and see if it comes out on its own. Check if the compressor has trouble starting after defrost. If it stays in defrost the timer is shot. If the timer times out and the compressor will not restart then the relay might be bad or, the compressor might be going bad.
A 3in1 relay/capacitor/overload might help out and give the unit a little longer time but sooner or later it will go.

Bad timer, When the machine just runs and runs and runs, or runs for a very short time and shows that it ran the whole cycle but the clothes are still wet then the timer has gone bad and needs to be replaced. IF you go to repairclinic.com. You can order the timer from there or your local appliance repair company. They are around 40 dollars and you can replace the part fairly easy

There is a recall on the control board of many of these models, butyour problem is likely not related. It sounds like a plugged drain system or a possible bad drain pump. That's why you are hearing the pump running constantly. I have written a guide to help. It is here. Thanks!

depending on the model; if the timer is in the automatic cycle it will not advance if there is no heat, it must heat in order to satisfy a thermostat to tell the timer to advance this is what makes it automatic. If the timer gets to the end of the timed cycle and will not advance to off, sounds like a bad resistor connected to the timer, I would first check the heat circuit to find out why its not heating. Dont mean to complicate, but everything in the dryer has something to do with heating, element,thermostats, temp switch, timer and even the motor. Check for burnt wires at the terminal block for the cord. hope this helps.....

On auto dry cycles, the cycle is controlled by moisture sensing bars located on either the rear or front bulkhead, ( visible inside dryer ) if the moisture sensor bars are shorted together (normally by wet clothing) the dryer will continue to run. If the dryer continues to run when the clothes are plenty dry, check and see if there is anything stuck between the sensor bars, (sometimes a metal sequin will cause this) or see if they are damaged. If not, you may have a problem with a timer contact, if the timer advances and stops moving at the same spot each time, I would suspect the timer. If this is an EvenHeat dryer, examine the control board located to the right of the timer in the control panel, for any burned components. Hope this helps.