Written by
Lena Hartwell Appliance Care EditorPublished October 27, 2026
VERIFIED
Error codeU80 / L80
ApplianceWall Oven
Overview
The oven has found a short in the meat probe circuit. The message reads U80 MEAT PROBE on the top or only oven and L80 MEAT PROBE on the bottom oven of a double. The short may be in the probe, in its socket or in the wiring.
Effect on the oven
After readings stay out of range for 60 seconds straight, the control disables the probe. Baking and the cleaning cycle carry on; only the probe settings are lost.
What you can do
Wipe the plug end of the probe so it is clean and dry
Check the socket for food, moisture or anything else that should not be there
If the message returns, call for service
What a technician does
Service tests the socket wiring at the relay board, fits a fresh probe to compare readings, and looks for cable that rubs against the metal housing. Whichever part proves faulty, probe or socket, is replaced.
Ovens affected
Renaissance EOR and MOR models, plus 27-inch and 30-inch single and double wall ovens from the Dacor service manual.
Related codes
U43 / L43: another relay board matter, a missing zero-cross signal
U70 / L70: lost communication between power and logic boards
Service for wall ovens in San Francisco
If cleaning the probe does not help, contact Dacor wall oven repair on (415) 687-5926. Tell us the code, the model number and which parts you cleaned.
Model compatibility: Dacor reuses codes across series and model years, so U80 / L80 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
A shorted meat probe was found and disabled; cooking and cleaning remain available.
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.
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 Dacor appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
