In this edition of the Btu Buddy series, a customer smells smoke coming from her oil furnace. Bob checks it out and finds that the furnace is not drafting. He inspects the chimney and discovers an obstruction.
This article is a guide for identifying the most common problems encountered in fans and air-handling systems. This is often an "art" and not a "science" because many problems are subtle and hard to diagnose.
In this installment of the Btu Buddy series, the customer's building is warmer than normal. Btu Buddy notes that this system has capacity control. Bob finds that one of the solenoid valves is not working.
In this edition of the Btu Buddy series, Bob is dispatched to a home with water on the basement floor around the air handler. He determines that there is a condensate drain problem and he recommends installation of a condensate pump.
Regardless of your experience, to troubleshoot the system it is essential that you have a solid understanding of the fundamentals of refrigeration - including the principles of superheat and subcooling. You also need to have the right tools and know-how to apply these principles to use the tool quickly and efficiently.
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.