Written by
Clara Bennett Appliance Care EditorPublished September 3, 2026Updated October 20, 2026
Content status:
Verified
Error codeEVAPORATOR PROBE (S2)
ApplianceBlast Chiller
Quick answer
EVAPORATOR PROBE (S2) is an evaporator probe failure alarm on touch screen U-Line blast chillers; the manual says to call service.
Model compatibility: U-Line reuses codes across series and model years, so EVAPORATOR PROBE (S2) 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
Evaporator probe failure. Call service.
What EVAPORATOR PROBE (S2) means
This message reports a failure of the evaporator probe. Call service, as the manual directs.
Models
It is in the alarm list for the UCBF432, UCBF532, UCBF632, UCBF559 and UCBF659.
With EVAPORATOR PROBE (S2) on your screen, call (310) 879-5776 from Los Angeles. We will want the model number and a note of what you tried. Our refrigeration repair page explains more.
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…
