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Home » troubleshooting and HVACR

Articles Tagged with ''troubleshooting and HVACR''

Btu Buddy 131: Oil Burner Service Call

Bill Johnson
February 17, 2014

Bob and Tim were on their way to an oil heat service call. It is cold and the owner has no heat. Tim read the service ticket for today and said, “The owner says that the burner won’t burn and makes a sputtering sound for a few minutes and shuts off.”


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Feb. 13, 2014: Grundfos Launches Online Pump Training Platform

Increased Focus on Pump Training Complements Company’s Customer Support
February 13, 2014

Grundfos has announced the launch of Ecademy, its online pump training platform, for the United States market.


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You Don’t Need a Weatherman

You Do Need Knowledge of the Quirks of Older Heating Systems
Dan Holohan
December 16, 2013

Unless you get an older steam system working as it should be working, sensors and software will just let you know that something is wrong.


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Troubleshooting, Preventing Motor Failure

Insight and Experiences with Small HVAC Motors
Jen Anesi Headshot
Jen Anesi
December 9, 2013

To minimize motor imperfections, contractors must stress the importance of a comprehensive inspection, properly identify and diagnose the root cause of the deficiency, and be able to explain the failure to customers in terms they’ll understand. 


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Dec. 2, 2013: New HVACR Troubleshooting Website, Troubleshooting Videos Introduced

Site Focuses on Equipment Servicing, Videos Provide Training on Heat Pumps
December 2, 2013
Technical Training Associates, an independent training firm in Tucson, Ariz., has established a new website at www.hvacrtroubleshooting.com that focuses on HVACR troubleshooting and equipment servicing. The company is also offering two videos on specific troubleshooting problems related to heat pumps.


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Ice Breaker: Diagnosing Failures in Refrigeration

Determining Why a Refrigeration System Is Not Operating Properly
Joe Marchese
December 2, 2013

Sometimes we over think both the easy and hard problems, making a true system issue more difficult than it really needs to be. 


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The Professor: Diagnosing Bad HVAC Compressor Valves

When Low Head and High Suction Pressures Collide
John Tomczyk
October 7, 2013
Many service technicians experience service calls where the compressor has both a low head pressure and a high suction pressure. Often, the refrigeration equipment is still running, but the product temperature is suffering about 7-10°F.


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Contractor Tips for Installing, Troubleshooting Thermostats

Seasoned Contractors and Technicians Share Experience, Advice
Jen Anesi Headshot
Jen Anesi
September 23, 2013

With so many options, how do you help your customers select the best thermostats for their lifestyles, and what do you do if that thermostat isn’t working the way it’s supposed to? 


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Troubleshooting Challenge: A Package Unit That’s Not Moving Air

Jim Johnson
September 9, 2013
In this month’s troubleshooting situation, our customer has called to say that the roof-mounted gas pack on their 1,500-square-foot home isn’t keeping them cool. Their specific description of the problem is that they “can’t feel any air” coming from the supply registers.


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The Professor: An Overcharge of Refrigerant

Knowing Symptoms Can Lead to Solutions
John Tomczyk
September 2, 2013
It is the system check sheet that will tell the service technician whether a system is overcharged or not. Service technicians must install pressure gauges and thermistors — or some other sort of temperature-sensing devices — in order to systematically troubleshoot a refrigeration system correctly.


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