Written by
Elena Vasquez Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeBLACK OUT
ApplianceBlast Chiller
BLACK OUT in plain terms
This message is a log entry. The controller noted that power was interrupted, and the display was never switched off during that interruption. It describes the power supply, not a failed probe or component.
Category: record of a power interruption
Display during the event: stayed on
Owner steps given in the manual: none
Where the alarm list applies
The same touch screen alarm list is used on the UCBF659, UCBF632, UCBF559, UCBF532 and UCBF432.
DOOR is raised when the door stays open during a cycle.
Repair and service for blast chillers in the Bay Area
Power drops that keep returning on a blast chiller in San Francisco are worth a call to (415) 329-7078. Tell us that BLACK OUT appeared, the model number, and roughly when the outages took place. The U-Line freezer repair overview shows what we cover.
Model compatibility: U-Line reuses codes across series and model years, so BLACK OUT 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 power interruption was logged while the display stayed on.
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.
Frozen food gives you little time. See how U-Line freezers, refrigerator/freezer combinations and commercial blast chillers are diagnosed, and what to do…
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.
