Today more and more systems are incorporating microprocessor controllers into their design. Troubleshooting the operation of these controllers can be a little tricky at times, but if broken down into ...

Calling a repair professional for every minor issue in your home can add up to a significant amount of money quickly, and ...

Many low and medium temperature single-phase compressors require some type of external relay to assist in the starting of its motor. The purpose of this relay is to remove the motor’s start winding, ...

The plant has been experiencing nuisance tripping of circuit breakers. Sometimes it’s a feeder breaker, sometimes it’s a branch circuit breaker. The procedure for addressing these trips is: Use a DMM ...

Let’s face it: Diagnosing electric problems is a pain, to say the least. You can get far with a test light and your trusty digital multimeter, but you still might end up just throwing parts at the ...

Unlike a conventional circuit breaker, which detects overloads and short circuits, an arc fault circuit interrupter (AFCI) uses advanced electronic technology to sense different arcing conditions.

There are several HVAC issues that you can fix yourself. If your system isn’t working as expected, your first order of business should be checking your air filter and replacing it if necessary. If you ...

Beginners usually lack troubleshooting skills because troubleshooting, by its nature, takes quite a bit of time to learn. No one becomes completely proficient overnight. That said, excellent ...