Guide :Freezers : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC

All of sudden - LOUD!

We had a power outage on the block and ever since our "relatively quiet" GDM-49F has become annoyingly loud. It should still be under warranty, but I'm in a very remote location with no certified techs. Any ideas?

Research, Knowledge and Information :


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Suggested Questions And Answer :


All of sudden - LOUD!


You definitely need a tech. Since your power outage you may have a problem with your compressor which when there is a power outage can damage the compressor from what is called a brown out. A brown out happens just before the power goes out and because of low voltage to the compressor can burn the windings causing it to either burn out or become very noisy. CALL someone soon and I wouldn't tell them about the power outage as they may not fix it under warranty. If for some reason they find out sometimes the power company will pick up the tab. Good luck.
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

I have a true freezer m/# gdm-49f s/# 5140302 ... this unit is set at -17* it runs fine when it gets to the set point turn off of course by it doesn't come back on until it reaches 0* .... I like to know if that is normal? .. no product is damage


Well most t stats have a differential of 5 to 7 but almost never more than ten deg so that the compressor wont short cycle .something you can check .some t stats you can adjust the differential on check if yours has that adjustment screw on the side or back of T stat if you need more help or parts e mail me at [email protected]
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

T-49F freezer cant get bellow 25 - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


Dirt condenser ,check the fan
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Is this freezer work with 115 vol - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


Look at plug. two lines vertical (ll) with ground = 115 Two lines horizontal (- -) with ground = 220
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

Copper diagram from compressor to coil - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


Their are no such digrams to tell about the coils and how they run to the compressors
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Coil freeze up - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


If the fan works , probably the unit is low on refrigerant, which means there is a leak that has to be fixed and then recharge the unit .Also could be the defrost system (heaters ,terminator or deefrost timer ).
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

The breaker trip when we plug in the cord - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


You have a dead short.
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Timeclock Not going in defrost - True 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC


Http://www.truemfg.com/pdf/InstallManuals/GDM/gdm_english.pdf Go to this web site and check out the owners manual. On pages 13 or 14, it discusses the time clock. If the time clock is not moving to begin a defrost cycle, I would say, replace it. It does have a mechanical motor and it can fail or lock up. Hope this helps.
Read More At : 49 cu. ft. / 1388 liter Commercial Freezer GDM-49F-RC...

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