Written by
Clara Bennett Appliance Care EditorPublished September 3, 2026Updated October 20, 2026
Content status:
Verified
Error codeRELAY 3 BROKEN
ApplianceBlast Chiller
Quick answer
The electronic board of a U-Line blast chiller detected a failure on relay 3. The manual says to call service.
Model compatibility: U-Line reuses codes across series and model years, so RELAY 3 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
The electronic board detected a failure on relay 3; call service.
RELAY 3 BROKEN is a board alarm. According to the manual, the electronic board found a fault on relay 3 and the unit should be looked at by service.
Shown
RELAY 3 BROKEN
Meaning
Failure on relay 3 detected by the board
Action
Call service
Models
five models: UCBF432, UCBF532, UCBF632, UCBF559, UCBF659
Seeing it more than once
The touch screen keeps a record of alarms under the ALARM tab. If several relay alarms are listed, such as RELAY 5 BROKEN, give all of them to the technician.
Blast chiller repair in Los Angeles
Technicians in Los Angeles take calls for U-Line blast chillers at (310) 879-5776. Be ready with the model number, the alarm text and what you did before it appeared.
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.
U-Line products are compact, built-in, and often visually similar across generations. Effective repair starts with the exact model, the symptom you can…