Seeing (L) (R) Zone T Short on your U-Line Freezer? Start with the non-invasive checks below. Master-list note: Left or right zone thermistor circuit shorted. Exact behavior can differ by platform.
Reviewed by Ethan Cole · Last reviewed August 11, 2026
Written by
Ethan Cole Appliance Repair Content SpecialistPublished August 11, 2026Technically reviewed August 11, 2026
Error code(L) (R) Zone T Short
ApplianceFreezer
Affected model seriesSelect U-Line electronic-control Freezer appliances (verify the code map for yours)
Quick answer
U-Line Freezer · (L) (R) Zone T Short: Left or right zone thermistor circuit shorted. — verify on your docs.
Model compatibility: U-Line reuses display codes across control platforms, so (L) (R) Zone T Short may mean something different on another appliance family or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
(L) (R) Zone T Short on a U-Line freezer is commonly associated with: Left or right zone thermistor circuit shorted.. If your manual lists a different description for this reading, trust the manual over any general summary.
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Record the exact display string shown (including flash patterns)
Share temperatures, ice output, or door/drawer symptoms when you book U-Line Appliance Repair
Confirm doors/drawers are fully closed and seals are clear of debris
Perform a manufacturer-approved power restart once if safe to do so
Important safety warning. Do not open internal panels, access high-voltage wiring, or attempt sealed refrigeration work. Never bypass safety devices. If you see smoke, sparks, a burning smell, or water near electrical parts, switch the appliance off at the outlet if it is safe to do so and call a professional.
Please avoid
What not to attempt
Do not open internal panels or access high-voltage components
Do not open or attempt to recharge the sealed refrigerant system
Do not bypass door switches, safety devices or interlocks
Do not keep running the appliance if there is water near electrical parts, a burning smell or sparks
Get help
When to call a technician
If (L) (R) Zone T Short persists after the safe checks, book U-Line Appliance Repair for independent U-Line diagnosis with your model and serial. Not an official U-Line service center.
Code still showing?
Get this U-Line fault diagnosed properly
A returning error code usually needs model-specific testing. Book a visit for a clear estimate — no surprise add-ons.