Frigidaire FAD704DWD13 dehumidifier compressor running continuously

Use only checks that match the exact appliance or system and its official guide.

1. Check 1

   Read the display and controls without opening the cabinet. Check whether the unit is in CONTINUOUS mode, shown as CO on this guide's control description, or whether it is set to a humidity target.

   Expected result: The display is CO/CONTINUOUS, or the unit is set to a target humidity and the room reading is still above that target.

   Next step: If continuous drying is not intended, select the desired humidity setting using the normal controls and observe whether the unit cycles after the room dries. If it remains on after the target is reached, continue with the airflow and environment checks.

   Why this matters

   Why: The owner guide says CONTINUOUS mode keeps the unit running, and a high moisture load can require extended operation. A target that has not been reached can also explain continued dehumidification without proving a compressor defect.

2. Check 2

   Turn the unit off with its control, leave it disconnected while cleaning, and inspect the filter, front grille, top discharge, and the space around the cabinet. Clean the filter as the guide describes and vacuum the grille with a brush attachment; keep the required clearance around the unit.

   Expected result: The filter or grille is dirty, an intake or discharge is blocked, or the unit has little clearance; or the airflow path is visibly clear.

   Next step: Restore only the external airflow conditions described by the guide, then run the unit in the intended humidity mode. If the fan still stops while the compressor continues, stop troubleshooting at the cabinet and arrange authorized service.

   Why this matters

   Why: The owner guide lists blocked air movement and a dirty grille as reasons the dehumidifier runs too much. A clear external airflow path removes that environmental explanation but does not identify a sealed-system or compressor component fault.

3. Check 3

   Note the room temperature, whether windows or doors to outdoors are open, whether the space is unusually damp, and whether the room is larger than this dehumidifier can reasonably dry. Keep the appliance on a level surface and do not direct airflow at a heat source.

   Expected result: The room is below the guide's stated operating range, outside openings are adding moisture, the space is unusually damp or oversized, or none of those conditions is present.

   Next step: Correct only safe room and placement conditions, close outside openings, and allow the unit time to reduce the moisture load. If the room conditions are reasonable but the compressor still runs continuously after the humidity target is reached, preserve the observations for service.

   Why this matters

   Why: The guide says low temperature, outside air, high moisture after a recent restart, and an area that is too large can all make the appliance run longer. These observations describe load and operating conditions, not a confirmed compressor or refrigerant failure.

4. Check 4

   With the unit switched off, verify that the bucket is seated correctly and that the bucket-full indicator is not active. Restore the empty bucket as shown in the guide, then observe whether normal control operation returns; do not remove covers or reach into the grille.

   Expected result: The bucket is full or mis-seated, the bucket-full light remains on, or the bucket is seated and the control behaves normally except that the compressor/fan relationship remains abnormal.

   Next step: Correct only the bucket position or water level described in the guide. If the mismatch persists, stop using the appliance and arrange authorized service; do not test the compressor, bypass the float, or open the sealed system.

   Why this matters

   Why: The guide says a full bucket should shut the unit down and that a correctly seated empty bucket allows it to restart. If the compressor continues while the fan has stopped or the unit will not stop using its controls, that is outside the expected bucket behavior described in the guide.

5. Check 5

   Record the full rating-label model and suffix, selected mode, displayed humidity, room conditions, whether the fan is moving air, whether the compressor sound continues, and whether there is frost, unusual heat, smoke, a burning smell, or a damaged cord.

   Expected result: A hazard is present, the compressor/fan mismatch persists, or the unit simply runs long while the guide's normal conditions still apply.

   Next step: If there is smoke, burning smell, damaged wiring, or unusual heat, stop operation and disconnect power only if it is safe to do so, then arrange service. Otherwise provide the recorded behavior to an authorized Electrolux/Frigidaire servicer without opening the unit.

   Why this matters

   Why: The owner guide separates normal long operation from faults and says that sparks or a burning smell require immediate shutdown and authorized service. It also states that the appliance has no user-serviceable parts, so these observations cannot safely be converted into a home compressor, refrigerant, board, or sensor diagnosis.