Guide :Freezers : 18.8 cu. ft. Commercial Freezer HUF68A

Defrost mode why is the defrost light on every day?

Posted by waverider100 on Feb 23, 2008

Research, Knowledge and Information :


Understanding Defrost Cycle - Temperzone


Understanding Defrost Cycle. ... on the model there will usually be some form of visual indication like a light on the ... will my unit go in to defrost mode?
Read More At : www.temperzone.co.nz...

Refrigerator Defrost Problem Diagnostics


Refrigerator Defrost Problem ... All parts purchased from AppliancePartsPros.com have 365 day no questions ... Most defrost timers will run a defrost cycle every ...
Read More At : www.appliance-repair-it.com...

How the Defrost System on your Refrigerator Works


Refrigerator Defrost System: ... the compressor and fans will shut off and the machine will go into defrost mode. ... Works like a light bulb basically.
Read More At : www.applianceoutletservice.com...

Defrost Cycle of a Heat Pump - InterNACHI


Defrost Cycle of a Heat Pump. ... When a heat pump is operating in the heating mode or heat ... Some generic timers will energize the defrost cycle every 30, ...
Read More At : www.nachi.org...

Refrigeration Defrost Control - Air Conditioning, Heating ...


Refrigeration Defrost Control. July 13 ... of a normal restaurant that is open for three meals per day. ... the timer dial and causes it to trip into defrost mode.
Read More At : www.achrnews.com...

Auto-defrost - Wikipedia


Auto-defrost, automatic defrost or ... For every 6, 8, ... especially if there is a light load in the freezer.
Read More At : en.wikipedia.org...

Heat Pumps and the Defrost Cycle | Bay Area Air Conditioning ...


Heat Pumps and the Defrost Cycle ... When the temperature starts to drop and you switch to the Heat mode, ... The unit may go into defrost cycle every 30, 60, ...
Read More At : bayareacool.com...

Why Are Heat Pumps So Dumb About Frost? - Energy Vanguard


Why Are Heat Pumps So Dumb ... go into defrost every ... when the timer kicked in and when the defrost mode will actually occur. my timer is set at ...
Read More At : www.energyvanguard.com...

Whirlpool Gold Refrigerator Defrost Problem - Appliance ...


Refrigerator & Freezer Repair. " ... (I had taped the light switch to the ... The Jazz board is set to Fixed defrost mode, meaning it will defrost every 8 to 10 ...
Read More At : forum.appliancepartspros.com...

Suggested Questions And Answer :


Defrost mode why is the defrost light on every day?


Typical defrost set up 8 times a day (24hrs) duration about 20mins for the size you have described. defrost stop temp should be 20 C recovery time about 10 mins so pls consult manuals and rest parameters.
Read More At : 18.8 cu. ft. Commercial Freezer HUF68A...

True T72F defrost timer and lights not working?


You have done good work here young man. There is a relay or switch that is keeping the signal for being processed. I had the same similar problem with mine. At least your compressor is ok. Are you sure timer is wired back right.
Read More At : 72 cu. ft. / 2039 liter Commercial Freezer T-72F...

Whirlpool AFB126/H/AL Freezer - Defrosting & Refrosting


Hi. I am Kelly and welcome to FixYa. Here is the real question..... Is the food staying frozen? Freezers usually defrost 3 times a day (8 hr intervals) Some as often as 4 times a day. The freezer use concept is that it is not opened more than 3 times a day. (Yes there will be more times than that any given week) Having said all of that.... some things to look at. 1. Check the door seal for any signs of tears... grease... collapse... 2. Make sure there are no gaps in the door or between the closed door and the seal. 3. Many people don't check this one... but make sure it is level. An un-level freezer can cause the door seal not to function correctly. Now if your saying that the food is actually defrosting... then there are a few other things that can cause that. A. Sticking / defective Defrost timer B. Defrost element is not heating and the freezer goes through a VERY long defrost cycle as the contents have to reach 60 Deg F for the 60 Deg bi-metal thermostat to close and advance the defrost timer to start the compressor. C. Intermittent operation of the 60 Deg thermostat I hope this clears things up a bit for you. Thanks for using FixYa. Kelly
Read More At : Freezers...

Frigidaire freezer runs a lot. Located in garage. In summer runs almost non-stop. Currently outside temps are below 0 deg F and freezer still cyles frequently. Have replace the freezer tstat. Defrost coil does not ice up, defrost elemen is good, and can cause defrost tstat to open/close. Seems like defrost timer could be stuck in ON mode causing freezer to defrost every time defrost tstat closes and stop when defrost tstat opens, repeating this cycle continually. Food remains frozen. Is it logical defrost timer is the cause?


Yup, these timers have a tiny clock motor that can get lint on them, causing motor failure, should be simple replacement. Refrigerators in cold garages run more to regulate their temperature below 45 degrees.
Read More At : Freezers...

Coldspot model: 106 725540 freezes sometimes


You can by pass it but I wouldn't. You may need to replace the t'stat on this. This controls pretty much everything. Depending on your model, the defrost cycle can be adjusted to shorter cycles. Bypassing it would eventually lead to ice build up and a real mess to follow .
Read More At : Freezers...

Freezer defrost cycle


If the defrost timer sticks in the defrost mode,yes. Normal defrost time is 30 minutes or less depending upon which timer is installed.If it happens again,locate the defrost timer and turn the dial manually to see if the compressor comes back on. If so,replace the timer.It is probably on the rear near the compressor. Some are under the front behind the dust guard.
Read More At : 20 cu. ft. / 566 liter Upright Freezer FFU20FC4A...

My defrost timer was replaced by a brand new one, two days ago -- the defrost light turns on for 1 minute, another few moments after, the green light turns back on again.. my temp wont go down and I am not low on charge


Sounds like a bad defrost terminator or timer wired wrong. won't make temp as the evap is not clear of ice/frost build up. check your wiring diagram for location and operation of terminator.
Read More At : KLF7766C Commercial Freezer...

True M#TG2R-2S defrosts center of coil only. Freezer is stocked every other day, and is in a conditioned space. Termination switch replaced, clock works, defrost heater works. Has been sealed on top, gaskets good. Assume excessive moisture during stocking, any suggestions


Has the heater been replaced ? If so maybe wrong size heater was used.
Read More At : 72 cu. ft. / 2039 liter Commercial Freezer T-72F...

TRUE freezer model number GDM-49F.


Your unit should have a defrost timer.The timer may be stuck in a defrost.It should be located at the bottom of the unit next to the compressor.Open the door to the timer and observe the position of the timer.If you turn the knob and the unit starts up,it's the timer. If this is the case, you can purchase a new one at any local a/c supply.Let me know,Mike
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

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