Zone T Open reports an open circuit on the zone thermistor.
Wine cooler service in San Francisco
For a wine unit around San Francisco that keeps showing Temp Lo 12H+, call (415) 329-7078 and ask about U-Line wine refrigerator repair. Have the code, the model number and the outcome of your door check at hand.
Model compatibility: U-Line reuses codes across series and model years, so Temp Lo 12H+, L Temp Lo 12H+, R Temp Lo 12H+ 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
Temp Lo 12H+ means a left or right zone has been 10°F (5°C) below set point for over 12 hours.
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.
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.
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