Error code

GE / Water heater

F74

Air filter is dirty; a fault that repeats after cleaning may indicate a refrigerant leak.

What it means

Air filter is dirty; a fault that repeats after cleaning may indicate a refrigerant leak.

This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.

Manufacturer guidance

  1. Clean the air filter as described in the owner manual.
  2. If the alert returns after cleaning, arrange service.

Manufacturer source

Models documented with this signal

Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.

If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.