No Comm · U-Line Refrigerator / Wine / Beverage / Combo: cautious overview for homeowners. Communication lost between main control board and display. Book U-Line Appliance Repair if it returns after one careful reset.
Reviewed by Ethan Cole · Last reviewed August 11, 2026
Written by
Ethan Cole Appliance Repair Content SpecialistPublished August 11, 2026Technically reviewed August 11, 2026
Error codeNo Comm
ApplianceRefrigerator / Wine / Beverage / Combo
Affected model seriesU-Line Refrigerator / Wine / Beverage / Combo with electronic diagnostic displays (confirm your model)
Quick answer
No Comm — Communication lost between main control board and display. on a U-Line Refrigerator / Wine / Beverage / Combo (confirm for your model).
Model compatibility: U-Line reuses display codes across control platforms, so No Comm may mean something different on another appliance family or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Seeing No Comm in a U-Line undercounter fridge or wine cabinet? Typical reading: Communication lost between main control board and display.. Treat this as plain-language guidance for U-Line owners, not a substitute for the model’s user or service guide.
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Record the exact display string shown (including flash patterns)
Keep notes on any recent power outages, cleaning, or installs before the visit
Confirm doors/drawers are fully closed and seals are clear of debris
Perform a manufacturer-approved power restart once if safe to do so
Important safety warning. Do not open internal panels, access high-voltage wiring, or attempt sealed refrigeration work. Never bypass safety devices. If you see smoke, sparks, a burning smell, or water near electrical parts, switch the appliance off at the outlet if it is safe to do so and call a professional.
Please avoid
What not to attempt
Do not open internal panels or access high-voltage components
Do not open or attempt to recharge the sealed refrigerant system
Do not bypass door switches, safety devices or interlocks
Do not keep running the appliance if there is water near electrical parts, a burning smell or sparks
Get help
When to call a technician
When No Comm keeps returning, stop DIY inside the cabinet and schedule U-Line Appliance Repair — bring photos of the display and rating label.
Code still showing?
Get this U-Line fault diagnosed properly
A returning error code usually needs model-specific testing. Book a visit for a clear estimate — no surprise add-ons.
