Written by
Elena Vasquez Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeRELAY 1 BROKEN
ApplianceBlast Chiller
What the board found
The electronic board checks its relays. If relay 1 fails, the display shows RELAY 1 BROKEN. The manual gives one instruction for this alarm: call service.
Models and controller
This current-generation alarm is part of the touch screen controller list for the UCBF559, UCBF659, UCBF632, UCBF532 and UCBF432.
Before you phone
Look at the ALARM tab and copy the wording as shown.
Service for U-Line blast chillers in San Francisco
San Francisco and Bay Area owners can reach us at (415) 329-7078 and mention relay 1. Please have the model number ready along with anything you tried. The U-Line freezer repair page has more.
Model compatibility: U-Line reuses codes across series and model years, so RELAY 1 BROKEN 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
Electronic board detected a failure on relay 1. Call service.
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.
