Written by
Lena Hartwell Appliance Care EditorPublished October 27, 2026
VERIFIED
Error codeF20
ApplianceRange
Two listed causes
Cause
Remedy in the manual
Data cable linking relay board and control panel is loose or defective
Tighten the connections; replace the cable if necessary
Control panel circuit board is defective
Replace the control panel circuit board
Who handles it
Neither job is one for an owner. Dacor lists F20 in Section 7 for a legacy range series. Before anything else, look at the main power switch and the control panel lock.
Related entries
F2: a broad code for trouble in how the panel talks to the relay board.
F32: cable trouble of the same kind, or a faulty membrane.
F3: points outside the control, with a specific code normally after it.
Dacor range repair in San Francisco
Technicians reached on (415) 687-5926 can discuss a Dacor range in San Francisco showing F20. Keep the code, the model number and your checks handy, and see Dacor range repair.
Model compatibility: Dacor reuses codes across series and model years, so F20 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
F20 means the data cable between relay board and control panel is loose or defective, or the control panel circuit board is defective.
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 Dacor 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.
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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.
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Book a repair online or call us — clear estimates and approval before any repair work begins.
