Written by
Hannah Ostrowski Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeL1
ApplianceDehumidifier
L1 and the sensor heading
Frigidaire files L1 with five siblings (AS, ES, F1, F2, F5) under the statement that a temperature or humidity sensor has failed. The owner guide has no home checks for any of them.
Where to turn
First, reach Frigidaire for further assistance.
A dehumidifier fitted in the last 30 days is the installer’s to answer for.
If more than 30 days have gone by, support is the one to book service.
Other codes you may be seeing
F1 has the same sensor meaning. PU concerns the bucket pump, and H3 is an overload protection code that does come with checks for owners.
Dehumidifier service where we work in the Bay Area
We take L1 calls from San Francisco and the Bay Area on (415) 319-6371. Frigidaire dehumidifier repair is the place to begin, and the model number plus the code is what we need to hear.
Model compatibility: Frigidaire reuses codes across series and model years, so L1 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Temperature or humidity sensor failed.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Frigidaire appliance?
Book a specialist visit for a clear estimate and approval before any repair.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your Frigidaire appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
