Written by
Clara Bennett Appliance Care EditorPublished September 3, 2026Updated October 20, 2026
Content status:
Verified
Error codeFOOD PROBE (PT3)
ApplianceBlast Chiller
Quick answer
FOOD PROBE (PT3) is the failure alarm for insert probe core 3; the manual says to call service.
Model compatibility: U-Line reuses codes across series and model years, so FOOD PROBE (PT3) 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
Insert probe core 3 failure. Call service.
What PT3 on the screen means
The alarm FOOD PROBE (PT3) reports a failure of insert probe core 3. Call service.
Covered models
UCBF432, UCBF532, UCBF632, UCBF559 and UCBF659 touch screen units list this alarm.
LOW TEMPERATURE reports air temperature under the lower limit in holding.
Blast chiller repair, Los Angeles
For a PT3 alarm on your unit in Los Angeles, reach us on (310) 879-5776. Keep the model number and a note of what you checked close by. See also refrigerator service information.
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…
