Frigidaire FHTC145WC2 Repair

The FHTC145WC2 is a Frigidaire room air conditioner. Everything below is general guidance for that type of unit, offered as what a technician would examine.

Telling noises apart

A metallic rattle usually means something is loose, such as a panel, a mounting bracket or a curtain panel touching the case. A fluttering or scraping sound often comes from the fan blade brushing debris or a bent blade. A steady hum or buzz that rises when the cooling starts can come from the compressor or its start components. A gurgling sound is often just condensate moving.

Mounting makes more difference than people expect

San Francisco buildings carry traffic and street vibration, and a unit perched in an old wooden window frame can amplify every hum. A technician checks the support, the fit in the opening and whether the unit touches the frame in places it should not. A bit of re-seating can quieten a unit that seemed to need parts.

Inside the case

If the noise stays after the setup is sound, we remove the unit from its opening and check the blower wheel, the condenser fan and the motor for wear or imbalance. Dust can pile up unevenly on a fan and throw it off balance. Cleaning and balancing can restore calm without a new part. When a motor or compressor is the source, the written estimate lays out the options.

What you can do

• Switch between fan speeds and note when the noise starts.
• Check that nothing leans against the case or the grille.
• Press gently on the front panel with the unit off to see if it moves.
• Stop using the unit if you hear grinding, or smell something hot.

More information

See Frigidaire air conditioner repair for the full approach and Frigidaire air conditioners for the lineup. A neighboring model, Frigidaire FHWC055TF1 Repair, gets much the same noise checks.

When noise is a warning

Some sounds are harmless and some are early notice of a failing part. A grinding or scraping sound that grows over days, a squeal that starts with the fan, or a clunk when the compressor engages should not be ignored. Shutting the unit off sooner usually keeps a small repair small, and the written estimate shows what the options are.

Frequently asked questions