American Standard Air Conditioners ERROR CODES

E01: Refrigerant Leak Detected – One common issue with American Standard air conditioners is the detection of refrigerant leaks. These leaks can lead to reduced cooling efficiency and can be environmentally harmful. Prompt service is required to locate and repair the leak.

E02: Thermostat Malfunction – Thermostat problems can result in inaccurate temperature control and discomfort. Error code E02 may indicate a faulty thermostat sensor or wiring issues. Professional servicing is necessary to diagnose and rectify the problem.

E03: Compressor Failure – A malfunctioning compressor can lead to ineffective cooling. E03 may signify compressor issues, which are costly to repair or replace. It’s essential to address this error promptly to prevent further damage.

E04: Fan Motor Problems – The fan motor plays a crucial role in distributing cooled air. Error code E04 could indicate issues with the fan motor, such as motor failure or damaged blades. Timely servicing is needed to restore proper airflow.

CODE: Green light on, slow flashing, or fast flashing

PROBLEM: Unit is operating normally

CODE: Amber light on

PROBLEM: Unit requires refrigerant

CODE: Red 1 flash

PROBLEM: Communication error

CODE: Red 2, 3, and 4 flashes

PROBLEM: Defrost fault

CODE: Red 5 flashes

PROBLEM: Fault with the ambient temperature sensor

CODE: Red 6 flashes

PROBLEM: Fault with the coil temperature sensor

CODE: Red 7 flashes

PROBLEM: Low-pressure problem

CODE: Red 13 flashes

PROBLEM: Fault with the external temperature sensor

CODE: Red 17 flashes

PROBLEM: High-pressure problem