Rheem · Air Conditioning
One or more alarm codes (ALMCODE 1 through 4) have a value greater than zero. This signifies that the control board has registered a specific alarm or alert condition that requires attention.
Click steps to track your progress.
Access the 'CURRENT ALARMS' menu on the display panel.
Scroll through the list to identify the specific ALMCODE and its associated issue.
Refer to the manual or app for the meaning of the specific ALMCODE.
Perform any recommended troubleshooting steps for that code.
Clear the alarm by pressing the 'Clear Alarm' button if appropriate.
Contact customer support if the issue cannot be resolved.