Equipment guide
Dehumidifier error codes
Codes are manufacturer-specific. Choose the exact brand shown on your equipment.
H3
Frigidaire
PU 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.
Frigidaire
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.