GE Hybrid Water Heater
GE Hybrid Water Heater F74 Error Code
What it means
The heat-pump air filter is dirty.
Try this first
- Clean the filter according to the owner manual.
- Check whether the code returns.
If the error keeps returning
If the condition returns after troubleshooting, qualified service may be required.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →