the fan runs but my ffad2233w1 isn't pulling any water out of the air, it's been running for days dry

Diagnosis

The core issue is that your Frigidaire FFAD2233W1 is operating in "fan-only" mode. In a functioning dehumidifier, the fan circulates air over the evaporator coils, while the compressor pumps refrigerant to chill those coils. When the compressor fails to engage, the coils remain at room temperature, meaning no moisture condenses from the air and no water collects in the bucket. This creates the illusion that the machine is working because the fan is blowing, but the actual dehumidification process is stalled. This failure typically stems from one of three triggers: an environmental lockout, a faulty start capacitor, or a refrigerant leak. The FFAD2233W1 is equipped with a thermal protector that prevents the compressor from firing if the ambient temperature is too low (typically below 65°F) to prevent the coils from icing over. If the room is warm and the fan is running but the compressor isn't humming or vibrating, the unit is either protecting itself from a perceived fault or the compressor has suffered a mechanical or electrical failure.

How to Fix It

To resolve this and force the compressor to engage, follow these precise steps:

1. Hard Power Reset: Unplug the unit from the wall outlet entirely. Wait exactly 10 minutes. This clears the internal control board's memory and resets any "trip" states in the compressor's overload protector.
2. Environmental Calibration: Move the unit to a room that is confirmed to be between 70°F and 85°F. If you are running the unit in a basement or garage below 65°F, the compressor will not engage by design.
3. Setting Adjustment: Plug the unit back in. Press the "Humidity" button repeatedly until the target humidity is set to "Continuous" (CONT) or the lowest possible percentage (30%). This overrides the humidistat and forces the compressor to attempt a start regardless of the current room humidity.
4. Verification: Place your hand on the side of the unit. After 3-5 minutes of running on "Continuous," you should feel a distinct vibration and hear a low-frequency hum. Check the exhaust air; it should feel slightly warmer than the intake air. If the air coming out is the same temperature as the room, the compressor is still not running.

If That Didn't Work

• Check for Airflow Obstructions: Remove the filter and inspect the rear intake grill. If the coils are choked with dust, the unit may overheat and the thermal overload switch will kill power to the compressor to prevent a burnout. Use a vacuum with a brush attachment to clear the aluminum fins.
• Inspect the Start Capacitor: If you are comfortable with a multimeter, unplug the unit and access the compressor area. Check the start capacitor for bulging or leaking fluid. A blown capacitor prevents the compressor from having the "kick" needed to start, leaving the fan running while the compressor remains silent.
• Refrigerant Leak Test: Inspect the copper tubing leading into the compressor for any oily residue. Refrigerant is mixed with oil; a "wet" spot on a copper joint usually indicates a pinhole leak. If the refrigerant gas has leaked out, the compressor may run but will never get the coils cold enough to pull water from the air.
• Sensor Failure: The internal thermistor (temperature sensor) may be faulty, telling the control board the room is 40°F when it is actually 75°F. If the sensor is out of calibration, the board will never send the signal to start the compressor.

Heads Up

• Avoid "Low Temp" Use: Never run this model in a room below 60°F. Doing so can cause the evaporator coils to freeze into a solid block of ice, which can permanently damage the compressor valves.
• Filter Maintenance: Wash the washable filter every two weeks with warm soapy water. A clogged filter reduces airflow, causing the coils to drop too low in temperature and triggering an automatic shut-off.
• Placement Matters: Ensure there is at least 12-18 inches of open space around the intake and exhaust vents. Placing the unit against a wall traps warm air, which can trick the sensors and reduce efficiency.
• Drainage Check: Periodically check the bucket seat. If the float switch is stuck in the "up" position, the unit will think the bucket is full and will disable the compressor even if the fan continues to spin.