What does E1 mean on my AC unit?

What does E1 mean on my AC unit?

If your air conditioner displays E1 in the display panel and won’t turn on, it means that the Room Thermistor (a device connected to the thermostat that detects room temperature) is shorted or defective, and you need to have your air conditioner serviced.

What does EC mean in Koppel aircon?

EC. Refrigerant Leakage Detection. F1. Open circuit or short circuit of outdoor ambient T4 temperature sensor.

What is E1 error?

If an E1 error code shows up in your air handler, that means there is a communication error either with the indoor unit or the outdoor unit. The causes for this could be a wiring mistake, or a faulty control board with the indoor unit or the outdoor unit.

What E1 means?

Summary of Key Points

Definition: Everyone
Type: Abbreviation
Guessability: 4: Difficult to guess
Typical Users: Adults and Teenagers

What does E1 mean on Carrier thermostat?

E1 is communication error between the master control and the zone controller.

What does E1 mean?


Acronym Definition
E-1 First Enlisted Rank (US DoD)
E-1 Enlisted, Grade 1 [also -2 through -9]

What does E1 mean on my thermostat?

An E1 error indicates that the closed position of the valve has not been detected. To resolve this, please unmount the Smart Radiator Thermostat and make sure that the mounting bracket is properly tightened to the valve body.

How do I fix E1 error on mini split?

One thing you can do to try and troubleshoot the E1 error code is power off the MRCOOL DIY mini split then wait two minutes and restart it. If the E1 error code displays again, however, you may want to measure the unit’s voltage.

How do you fix EC error on AC?

You can temporarily fix this by turning off the air conditioning unit from the power supply at the circuit breaker. Leaving it off for 10 minutes and turning it back on. Now turn on the air conditioning unit. If the error code re-appears, switch off the unit as it will cause further damage.