20 Most Recent True TBB-2 Beverage Cooler Questions & Answers


Inside cooling coil frosted up? turn to run inside fan only until melted away & restart. Possible reasons for this a)dirty condenser down at the compressor which could be brushed but DON'T bend the fins. b0 refrigerant leaked out thru a existing crack. c)poor compressor pumping ability. d) excessive load of warm air entering the cabinet so the system can not reach the request temperature & shut off the compressor to allow that frost to defrost off the evaporator(inside fins) or the system does get too cold & then frosted to the point & never shuts the compressor off so it can defrost.

True TBB-2... | Answered on Dec 12, 2013


I agree. start there before investigating further.

True TBB-2... | Answered on Jan 15, 2011


0 is warmwst,9 is the coldest.set it at +2C so that wine/beer dont freeze.beer is best served at 2c.

True TBB-2... | Answered on Dec 31, 2010


If I am not mistaken, the True line-up of coolers have a temp control on them that is labeled 0-9.

This particular type of temp control is a coil temp control. I measures the temperature of the coil rather than air temperature.

Always set the control to the warmest setting and move it colder by one number at a time until your product reaches and holds designed temp. Do not go by cooler air temperature as there will be a great swing in temp especially if the doors are used frequently. Always temp the product. In the case of beer, your ideal holding temp is between 35-38°.


If you set the temp control to the warmest setting and the cooler is still freezing product, you will need to have the cooler serviced be a refrigeration tech. It will most likely be a bad control but there may be underlying problems.

True TBB-2... | Answered on Jan 08, 2010


BY to I take it yu mean top area inside cooler. If that is the case and yu are sure the drain is clear it could possibly be one of the following.
1: rusted/ corrodid evaporator drain pan
2: coil in cooler partially frozen

True TBB-2... | Answered on Sep 23, 2009


Most fluorescent lighting have ballast in them it more then likely just needs replaced. I have included a how it works link for you HERE
I hope this helps you fix your beverage cooler.

True TBB-2... | Answered on Aug 15, 2008


try unplugging thermistor and run if gets cold bad thermistor if not bad cooling unit or compressor

True... | Answered on Aug 22, 2019


The replacement thermostat could be defective or installed incorrectly.

True... | Answered on Aug 18, 2019

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