Diagnostic Library

U-Line Error & Diagnostic Codes

An independent lookup for U-Line ice maker, refrigerator, wine, beverage, and freezer display codes — plain-language meanings, safe checks, and when to call a technician. Search by code, appliance, or symptom below.

Platform note: the same raw code can mean different things on different U-Line control platforms. Always confirm against your model’s documentation and record the full model number.

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Popular error codes

E1 Ice Maker CL Ice Maker dr Ice Maker E1 Refrigerator / Wine / Beverage / Combo No Comm Freezer

Showing 61–72 of 128 error codes

R Temp Lo 12H+ Ice Maker Decode R Temp Lo 12H+ for U-Line Ice Maker owners: Right-zone temperature more than 10°F below set point for over 12 hours.. View guide

R Temp Lo 6H+ Ice Maker Decode R Temp Lo 6H+ for U-Line Ice Maker owners: Right-zone temperature more than 10°F below set point for over 6 hours.. View guide

R Zone T Open Ice Maker Decode R Zone T Open for U-Line Ice Maker owners: Right-zone thermistor circuit open.. View guide

R Zone T Short Ice Maker R Zone T Short — Right-zone thermistor circuit shorted. on a U-Line Ice Maker (confirm for your model). View guide

RAPID_FLASH Ice Maker Decode RAPID_FLASH for U-Line Ice Maker owners: Control board receiving a high-heat thermistor signal.. View guide

SLOW_FLASH Ice Maker U-Line Ice Maker · SLOW_FLASH: Control board detected a sensor problem. — verify on your docs. View guide

STEADY_LED Ice Maker STEADY_LED on U-Line Ice Maker appliances: Control board has power; no sensing problem / normal-operation indicator.. View guide

Temp Hi 12H+ Ice Maker Temp Hi 12H+ · U-Line Ice Maker · Zone temperature more than 10°F above set point for over 12 hours. (platform-dependent). View guide

Temp Hi 6H+ Ice Maker Temp Hi 6H+ · U-Line Ice Maker · Zone temperature more than 10°F above set point for over 6 hours. (platform-dependent). View guide

Temp Lo 12H+ Ice Maker U-Line Ice Maker · Temp Lo 12H+: Zone temperature more than 10°F below set point for over 12 hours. — verify on your docs. View guide

Temp Lo 6H+ Ice Maker Temp Lo 6H+ — Zone temperature more than 10°F below set point for over 6 hours. on a U-Line Ice Maker (confirm for your model). View guide

Time to Clean Ice Maker Time to Clean on U-Line Ice Maker appliances: Water-circulation system requires cleaning.. View guide

How to use this error-code database

Start by searching the code shown on your U-Line appliance’s display, then open the matching guide for your appliance type. Each guide explains the likely meaning in plain language and shows safe checks you can make yourself. Some entries are alerts, diagnostics, or maintenance reminders rather than hardware faults.

Why meanings can differ by model

U-Line reuses the same raw display strings across control platforms, so a code on an ice maker may not mean the same thing on a refrigerator or wine unit. Use the appliance filter and keep family/model context when reading a guide.

Where to find your model number

The full model number is usually on a rating label — inside the door frame, around the opening, or on a side panel. Recording it helps a technician interpret the code correctly and bring the right parts.

When to stop troubleshooting

Stop immediately and contact a professional if you notice smoke, a burning smell, gas odor, sparks, or water near electrical parts. Never work on live electrical systems, gas connections, or sealed refrigerant systems.

When to request repair service

If a code returns after the safe checks, or the appliance will not operate normally, book a diagnosis. A technician can confirm the fault on your specific model and resolve it safely.