How to Read Your Heat Pump’s Error Codes

A screen displays a Heat Pump Error Code with five entries of device errors, showing occurred times, device names, types, and error codes. Warning icons are visible at the top.

Your heat pump is flashing a code at you and you have no idea what it means. Maybe it’s blinking on the indoor unit display, maybe it showed up on your thermostat screen, maybe your app sent you a notification with a string of letters and numbers that might as well be in another language. […]