Search Error Codes

The E3 error code on your Gree HVAC system indicates that the low pressure switch has been activated. This switch is des...

Lennox error code 3 indicates that the pressure switch is stuck open. This switch is a safety component that monitors th...

The Carrier error code 31, or a blinking LED pattern indicating code 31, signals that the system's high-pressure switch ...

The E4 error code on your Daikin HVAC system indicates that the low pressure switch has been activated. This switch is d...

Goodman's error code 3 indicates that the pressure switch is stuck open. This switch is crucial for monitoring and contr...

The E1 error code on your Gree HVAC system indicates that the high pressure switch has been activated. This could be due...

The Lennox 6 error code indicates that the system's pressure switch has detected an abnormal pressure condition, causing...

The Carrier 23 error code, indicated by a specific blinking pattern on the unit's LED, signifies a problem with the pres...

The Daikin E3 error code indicates that the high-pressure switch has been activated. This switch is designed to protect ...

Error code 2 on your Goodman HVAC unit indicates that the pressure switch is stuck in the closed position. This switch i...

Error code 2 on your Lennox HVAC system indicates that the pressure switch is stuck closed. The pressure switch is a saf...

The U1 error code on your Mitsubishi HVAC system indicates that the high pressure switch has been activated, causing the...

The E352 error on your Navien boiler indicates an abnormality with the Aquastat Pressure Switch (APS) sensor. This senso...

The E353 error on your Navien boiler indicates that the Air Pressure Switch (APS) sensor is either open or shorted. This...

The E762 code on your Navien unit indicates a dual venturi failure. The venturi is a part that mixes air and gas for pro...

Error code 3 on your Trane HVAC system indicates a problem with the system's pressure switch. The pressure switch is res...

The '3R' error code on your Amana furnace indicates that the pressure switch opened unexpectedly during operation. This ...

The Ruud 99 error code indicates a blockage in the venting system. This is a serious issue because your furnace vents ex...

The R3 error code on your York furnace indicates that the pressure switch is stuck in the open position. This switch is ...

The "2R" error code on your Amana furnace indicates the control board thinks the pressure switch is stuck in the closed ...

The 'EAF' error code on your Goodman furnace indicates an Airflow Error. Your furnace's control board monitors the air p...

The "R2" error code on your York furnace indicates that the pressure switch is stuck in the closed position. This switch...