Whirlpool Humidifiers & Dehumidifiers Error Codes

E1

Dehumidifier will not run and displays E1 on the control panel

Room Temperature Sensor Failure

E2

Dehumidifier stops and displays E2 on the control panel

Evaporator Coil Temperature Sensor Failure

E3

Dehumidifier displays E3 and will not dehumidify properly

Humidity Sensor (RH Sensor) Failure

E4

Dehumidifier shows E4 and shuts down or will not start

Refrigerant System / Defrost Protection Error (Coil Too Cold or Sensor Out of Range)

E5

Dehumidifier displays E5 and stops operating

Water Level / Float Switch Circuit Error

E6

Dehumidifier shows E6 and will not start or shuts down shortly after starting

Compressor Overload / Current Protection Error

E7

Dehumidifier displays E7 and fan does not run or runs erratically

Fan Motor / Fan Feedback Error

E8

Dehumidifier shows E8 and shuts down unexpectedly

High Temperature / Overheat Protection Error

E9

Dehumidifier displays E9 and will not operate

EEPROM / Control Board Memory Error

EC

Dehumidifier displays EC and does not dehumidify effectively

Refrigerant System / Low Refrigerant or Sensor Error

F0

Dehumidifier shows F0 and controls are unresponsive or erratic

Control Panel / Keypad Communication Error

F1

Dehumidifier displays F1 and will not start

Internal Control Board Fault

F2

Dehumidifier shows F2 and humidity setting cannot be adjusted correctly

Keypad / Button Stuck or Shorted

P1

Dehumidifier shows P1 and does not start dehumidifying

Defrost Mode / Coil Protection Active

P2

Dehumidifier displays P2 and stops collecting water

Bucket Full / Continuous Drain Protection Code

Symptom

Dehumidifier blows warm air but room humidity does not decrease

Ineffective Dehumidification / Air Bypass

Symptom

Dehumidifier bucket fills too quickly or overflows frequently

Excessive Condensate / Drainage Setup Issue

Symptom

Dehumidifier continuous drain port drips or seeps water around the fitting

Drain Port Seal Leak

Symptom

Dehumidifier display shows incorrect room humidity (far from actual)

Humidity Sensor Miscalibration

Symptom

Dehumidifier display works but buttons do not respond or respond intermittently

Unresponsive Keypad / UI Failure

Symptom

Dehumidifier emits a musty or moldy odor from the air outlet

Biological Growth on Coils or in Bucket

Symptom

Dehumidifier fan runs but there is very little air coming out

Restricted Airflow / Blower Obstruction

Symptom

Dehumidifier frost buildup on evaporator coil and reduced airflow

Evaporator Coil Icing

Symptom

Dehumidifier humidistat knob (on mechanical models) does not change operation

Mechanical Humidistat Failure

Symptom

Dehumidifier hums loudly but fan and compressor do not start

Stalled Motor or Low Voltage

Symptom

Dehumidifier indicates bucket full even when bucket is empty and properly installed

False Bucket Full Detection

Symptom

Dehumidifier is very noisy during operation (rattling, buzzing, or grinding)

Excessive Noise / Vibration

Symptom

Dehumidifier leaks water onto the floor instead of into the bucket or drain hose

Water Leak / Drainage Failure

Symptom

Dehumidifier plastic cabinet feels unusually hot to the touch

Overheating Cabinet / Poor Ventilation

Symptom

Dehumidifier powers on but compressor never starts (fan runs only)

Compressor Start Failure

Symptom

Dehumidifier runs but does not collect water (bucket stays dry)

No Cooling / Loss of Dehumidification

Symptom

Dehumidifier runs but shuts off after a few minutes and restarts repeatedly

Short Cycling / Overheating or Sensor Misread

Symptom

Dehumidifier runs continuously and never reaches the set humidity

Humidity Control Failure

Symptom

Dehumidifier trips the household circuit breaker or GFCI outlet

Overcurrent / Ground Fault

Symptom

Dehumidifier turns on by itself or settings change unexpectedly

Control Logic / Memory Glitch

Symptom

Dehumidifier will not power on at all (no lights, no display)

No Power / Dead Unit