Written by
Elena Vasquez Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeNo Comm
ApplianceWine Refrigerator
Summary
On screen: No Comm.
Cause given: communication between the unit and its display was lost.
Units listed: U-3036BVWCS-00B plus DWR and ZWC, with L as the top zone or drawer and R as the bottom.
Steps for the owner
Cut power to the cabinet and then restore it.
Should No Comm stay on, get in touch with Customer Care.
What service does
Per the service notes, the customer user interface and its data cable get inspected. If either is defective, the whole door is replaced.
Other messages nearby
Evap T Open concerns an evaporator sensor circuit.
Door Open 5M concerns a door switch that stayed open.
Amb Thrm Open concerns the ambient thermistor circuit.
San Francisco service for U-Line wine refrigerators
When No Comm comes back after a power reconnect, phone (415) 329-7078 for U-Line wine refrigerator repair in San Francisco and the Bay Area. Mention that you already cycled the power, and have the model number to hand.
Model compatibility: U-Line reuses codes across series and model years, so No Comm 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
No Comm shows that the unit has lost communication with the display.
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 U-Line 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 U-Line appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
