True 49 cu. ft. / 1388 liter Commercial Freezer GDIM-49NT Logo
Posted on Jul 12, 2009
Answered by a Fixya Expert

Trustworthy Expert Solutions

At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.

View Our Top Experts

We have a true T49F freezer and the evaporator fans are not running. The compressor is running on startup. The coils are cold. But are freezing up. Shouldn't the fan be on, or does the cabinet have to reach a certain temperature?

Answer This Question

1 Answer

Dennis Boxerman

Level 3:

An expert who has achieved level 3 by getting 1000 points
Superstar:

An expert that got 20 achievements.
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.

  • True Master 1,306 Answers
  • Posted on Jul 12, 2009
Dennis Boxerman
True Master
Level 3:

An expert who has achieved level 3 by getting 1000 points
Superstar:

An expert that got 20 achievements.
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.

Joined: Feb 07, 2009
Answers
1306
Questions
1
Helped
646801
Points
2787

Freezers have a sensor that is referred to as a "Fan Delay/Defrost Terminator". It senses the temp during the defrost cycle. Usually, when the evap temp reaches about 50 degrees, there should not be any frost or ice on it. This device terminates the defrost cycle. It also keeps the fans off so warm air is not circulated. When the evap gets to about 20 degress or so, the sensor switches on the evap fans. If the fans are not coming on, either the sensor is bad or the evap is not reaching the proper temp to cause the sensor to turn on the fans.

Hope is helps to clear up some things and point you in a direction as to what might be going on.

  • Marc
    Marc May 21, 2023

    Thank you so much for your help today. ??

×

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0helpful
1answer

Commercial fan on evaporator cuts off after starting
There is an overheat klixon on the evaporator that stops the fan running until the coil gets below -11c This can take some time after startup. if the freezer runs more than an hour before the fan starting, check the klixon isn't faulty, and you have power to the fan. Also check the condenser grille is nice and clean as it will slow down the freezing process.
Read full answer
Apr 17, 2014 • True Freezers
0helpful
1answer

Compressor runs but fans dont.
If the compressor is running and pumping with no heat produced, you have lost refrigerant.. Most modern freezers have a controlled fan so the coil can freeze before the fan starts.
Read full answer
Apr 04, 2014 • Samsung RFG297AAWP 28.5 Cu. Ft. French...
0helpful
1answer

True Freezer T49f Fans do not turn off when doors open, and compressor only stops running during defrost mode.
busca en youtube
Read full answer
Feb 12, 2014 • True 49 cu. ft. / 1388 liter Commercial...
0helpful
1answer

Fan is not running in my True T49F Freezer
There is a switch above the door; check you have power from it when closed, then check the evaporator is cold enough as there is a thermistor that stops the fan until it is beginning to freeze. Lastly check the fan blade isn't stuck and the motor is ok.
Read full answer
Jul 02, 2012 • Freezers
0helpful
2answers

Delay on evap. fan sistm.404a
Give the evaporator a chance to get cold, then check you've got power to the fan, via the evaporator thermistor and door switch
Read full answer
May 02, 2012 • True Freezers
0helpful
1answer

Compressor runs bypassed thermostat with wire that turns on and off compressor,but freezer cabinet is not cold 65 degrees evaporator fan does not turn on,condensor fan on,sttill no cold
If you have just turned it on it takes awhile for the fans to come on. The evaporator coil has to get cold about (10 to 20 degrees) and make a klixion fan switch to turn the fans ON.... Is the evaporator coils getting a frost pattern on them??? If not then the system may be low of Freon.. If the coil is completely froze up and you are getting frost back to the compressor..... then you have a bad fan switch or a door switch.... If you have a wiring diagram you can trace out the wiring.... It is usually down by the compressor or control panel... hope this helps.
Read full answer
Mar 30, 2011 • True 23 cu. ft. / 651 liter Commercial...
0helpful
1answer

Model # t49f 2 dr. freezer unit tripping 20amp
Probably the compressor has shorted.
99.999% of the time this is the main culprit.
Otherwise wiring short.
Read full answer
Nov 20, 2017 • True 49 cu. ft. / 1388 liter Commercial...
4helpful
2answers

Fans inside freezer will not turn - no cooling - compressor fan underneath is turning
The fans are controlled with a clixon that has a cut in at 5 degrees, and cut out at 20 degrees. If the unit is running and the fans are not comng on then I would have to say you are out of freon. But your condensor fan could be running and the compressor NOT be running which could be a problem with your compressor. Find out if your compressor is running by taking an amp draw. If compressor IS running then you are low on freon. If the compressor is running and your evaporator coil is cold and your fans AREN'T coming on then your clixon is bad.
Read full answer
Sep 26, 2009 • True 72 cu. ft. / 2039 liter Commercial...
0helpful
1answer

What do you do to convert a T49F freezer to run as a refrigerator and is this feasible?
First of all the unit uses a low temperature compressor which is designed to work on a freezer. Refrigerators use a medium temperature compressor. So most likely it would be over sized for what you are trying to accomplish,
Secondly the evaporator feed device is designed for "low temperature", not "medium temperature", so it would involve resizing the feed device.
Read full answer
May 27, 2009 • True Freezer T49DTG Stainless Steel
0helpful
1answer

TRUE under counter FREEZER TU2-27F
Are both evaporator fan and condensor fan running?You stated that you topped off the charge.Assuming the charge is ok, the next thing to check would be the expansion valve.May not be metering the freon properly.A faulty expansion valve can trick you into thinking the unit is undercharged.It may be partially open and starving the evaporator.(Not freezing the water totally)You should have a even coating of frost on the evaporator coil when running.Hope this helps,let me know if i can assist you any further.
Read full answer
Dec 10, 2007 • True 12 cu. ft. / 340 liter Commercial...
Not finding what you are looking for?

View Most Popular

49 cu. ft. / 1388 liter Commercial Freezer GDIM-49NT

  • Freezers

Related Question

Commercial fan on evaporator cuts off after starting

  • True Freezers

Related Topics

1,794 views

Ask a Question

Usually answered in minutes!

Popular Questions

P-1 code

True 72 cu. ft. / 2039 liter...

I NEED A wiring DIAGRAM FOR a T-72 F TRUE FREEZER

True 72 cu. ft. / 2039 liter...

Normal Operating pressure for true 2 door Freezer

True 49 cu. ft. / 1388 liter...

Evaporator unit keeps on building ice. question

True 49 cu. ft. / 1388 liter...

True gdm35 evaporator fans not working?

True Display Refrigeration GDM-35F

Top True Freezers Experts

Jay Finke
Jay Finke

Level 3 Expert

1397 Answers

ADMIN Andrew
ADMIN Andrew

Level 3 Expert

66921 Answers

Are you a True Freezer Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...