In this installment of the Btu Buddy series, Bob is on a no-cooling call where the a/c system had just been repaired due to a refrigerant leak. Unfortunately, he discovers air in the system because it had not been evacuated.
Are you a technician that needs to do some troubleshooting on a totally dead air conditioning unit? Grab your tools and crank up the can-do attitude. Here are some tips for troubleshooting that air conditioner.
In this edition of the Btu Buddy series, Bob goes on a service call and finds a failed transformer in an electric furnace. He discovers that the heat relay in the system has a shorted coil.
If you want to keep equipment operating in peak condition, make sure you select the proper replacement fan blade when replacing a worn or damaged one. Proper fan blade selection can sometimes get overlooked.
Ice maker troubleshooting is easier if you take it one step at a time. In this article the author goes step-by-step through the most common ice maker troubleshooting calls.
In this installment of the Btu Buddy series, Bob finds a restaurant system that froze solid the previous night because the thermostat was turned down to 55 degrees. Btu Buddy suggests possible solutions to prevent it from happening again.
What exactly is a digital multimeter (DMM) and what can you do with it? How do you make measurements safely? What features do you need? What's the easiest way to get the most out of your meter? These and other questions are answered in this article.
In this edition of the Btu Buddy series, Bob goes on a call where an oil furnace won't always start. He discovers heavily sooted electrodes. Btu Buddy assists him in servicing the burner and cleaning the electrodes.
The thermostatic expansion valve (TEV or TXV) is erroneously considered by some to be a mysterious and complex device. Here we discuss typical valve complaints, causes, and remedies.
In this installment of the Btu Buddy series, Bob finds that a customer's heat pumps are losing cooling capacity operating in mild temperatures. With Btu Buddy's help, he discovers that the units' evaporators are starved for refrigerant.
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