Honeywell · Dehumidifier error code
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Guide · DehumidifierGravity drains fail from uphill or sagging hoses, a hose end sitting in water, missing washers or loose fittings. Pump drains fail from an unseated pump hose, kinks, a clogged pump filter screen or a dead pump. Most fixes are hose routing and cleaning.
Guide · DehumidifierMost portable dehumidifiers share the same code groups: sensor faults (E1/E2/EH), bucket (P1/FL), pump (E5/P2) and refrigeration protection (E3/EC). Power-cycle and basic checks fix many; sensor faults need a part.
Guide · DehumidifierConfirm it is a real fault: many units run the fan on after the compressor stops, and some stop the fan at setpoint. Then check for a jammed blade, a loose motor plug, the fan capacitor (on PSC motors) and the board output.
Honeywell · Dehumidifier
E1 / E2
Temperature sensor fault
Honeywell · Dehumidifier
E3
Refrigeration protection / high room temperature
Honeywell · Dehumidifier
EH
Humidity sensor fault
Honeywell · Dehumidifier
P1
Water tank pulled out / not seated
Honeywell · Dehumidifier
SA
Rest period (not a fault)