Equipment guide
Dehumidifier error codes
Codes are manufacturer-specific. Choose the exact brand shown on your equipment.
Frigidaire lists AS, ES, F1, F2, L1, F5 for Dehumidifiers and describes it as: A temperature or humidity sensor has failed. Confirm the complete model number before applying this device-family guidance.
Frigidaire lists E4, C5 for Dehumidifiers and describes it as: Electronic Control Failure. Confirm the complete model number before applying this device-family guidance.
Frigidaire lists EC, F0 for Dehumidifiers and describes it as: Sealed system failure. Confirm the complete model number before applying this device-family guidance.
Official Frigidaire material describes H3 as H3 or E5 indicates the Compressor Overload Protection Check installation for proper clearance. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Official Frigidaire material describes PU as PU indicates there is a Failure to pump out bucket. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.