Tech Challenge

Looking for the answer to the May 2014 Tech Challenge? Here it is!

Challenge with your entire staff with IE3’s latest tech challenge and see who can figure out the diagnosis first.

A cooler utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of “warm product.” The symptoms […]

A Commercial Roof Top unit utilizing R-22 with a TXV metering device (and receiver) has a customer complaint of “insufficient […]

A residential split AC system utilizing R-22 has a customer complaint of “no cooling.” The symptoms at the customer’s home […]

A split medium temperature cooler, normally operating at 34° F. utilizing R-134a with a fixed orifice metering device has a customer […]

A draft beer cooler in Orlando utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of […]

A rooftop unit utilizing R-410A with a TXV feed devise has a customer complaint of insufficient cooling. The symptoms confirm […]

A frozen food case utilizing R-134a with a TXV metering device (and receiver) has a customer complaint  of “soft product.” […]

A beverage cooler utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of “warm brew.” The […]

A frozen food case utilizing R-404A with a TXV metering device (and receiver) has a customer complaint of “warm case.” […]

A walk-in Freezer designed to operate at Zero degrees and utilizing R-404A with a liquid receiver and TXV metering device […]

An installed split A/C system utilizing R-410A with a fixed orifice metering device has a customer complaint of “no cooling.” […]

A split A/C system utilizing R-22 with a fixed orifice metering device has a customer complaint of “no cooling.” The symptoms […]

A pop cooler utilizing R-22 with a TXV metering device (and receiver) has a customer complaint of warm pop. See if you can diagnose the problem.