GE AZ45E15EAC device hub
Use this device hub to troubleshoot GE AZ45E15EAC (Air Conditioner). Start with the most common codes and compare the published fix paths before opening parts.
Try E2, temperature, or won’t start.
Open the highest-signal error pages for this device first when you already know the code family.
Let the published patterns narrow you into the right branch before you open parts or call support.
Use the full code directory when the display is clear and you want the exact route fast.
Most common error codes
Start here when you want the shortest path from this device hub to the exact troubleshooting page.
GE AZ45E15EAC error code F7 means reversing valve fault: temperature change not happening as control expects a
GE AZ45E15EAC error code F6 means compressor fault: no temperature change detected after 1 minute of running.
GE AZ45E15EAC error code F5 means outdoor thermistor fault: one of the outdoor thermistors is not reading vali
GE AZ45E15EAC error code F3 means external thermostat wiring fault: applied signal is not valid and has been c
GE AZ45E15EAC error code F18 means outlet air temperature overheat: outlet thermistor reading above 170 F. Thi
GE AZ45E15EAC error code F16* means make-up air module communications fault. This guide explains the likely ca
GE AZ45E15EAC error code F14* means make-up air module fan fault. This guide explains the likely causes, the s
GE AZ45E15EAC error code F10 means heat pump over-temperature fault: indoor coil temperature over 131 F. This
Need more help with this model?
Use the exact error page when you know the code. Otherwise stay in this device hub to compare the most likely routes first, then branch into the fix that matches the symptom.
This panel stays shared across all products. Optional device links only appear when profile data exists.
Common troubleshooting themes
These patterns are derived from the currently published fixes for this model and help you pick the right route faster.
Recently updated fixes
Fresh pages first — useful when you’re troubleshooting right now.
GE AZ45E15EAC error code F9 means indoor coil freeze fault: indoor coil temperature has fallen below the 34 F freeze threshold. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F8 means software fault. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F7 means reversing valve fault: temperature change not happening as control expects after 1 minute of running. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F7 means reversing valve fault: temperature change not happening as control expects after 1 minute of running. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F6 means compressor fault: no temperature change detected after 1 minute of running. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F6 means compressor fault: no temperature change detected after 1 minute of running. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F5 means outdoor thermistor fault: one of the outdoor thermistors is not reading valid temperatures (valid range -30 F to 140 F). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
GE AZ45E15EAC error code F5 means outdoor thermistor fault: one of the outdoor thermistors is not reading valid temperatures (valid range -30 F to 140 F). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
All error codes
Pick your code to open the fix page, or use the main search to filter by symptom or keyword.
About this device hub
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.