---
title: "U-Line error codes, and where they actually live."
description: "U-Line error codes are logged in memory and only the door reaches the display. What the numbers mean, which machines raise them, and the signals."
url: "https://ulinemiami.support/error-codes/"
date_modified: "2026-08-30"
---


# Error codes archive

## U-Line error codes, and where they actually live.

Most of this make writes the same sentence in every manual it prints: all errors are logged in memory, and only the door error is displayed and has an audible signal. The 3000 Series is the exception and it is the opposite — it monitors continuously and puts a notification in plain words on the user interface. So before you look anything up, it matters which of the two you own: on one you are reading a hidden log, on the other the cabinet is telling you.

15 — numbers on the E platform, each from a manual

12 — notifications the 3000 Series shows you

11 — documented signals, quoted

5 — on the board's list and no model's menu

## Type what the display is showing

Partial entries work. On this make most numbers never reach a display at all, so if yours is a bare digit off an ice machine try 11, 12 or 13 — and if the appliance is showing you nothing, describe what it is doing and start from the signals instead.

Nothing here is invented. Every entry names the manual it came from, and the five numbers that sit on the control board's list without any model claiming them say so on their own pages.

## U-Line prints its numbers twice, and the lists disagree.

**Troubleshooting Extended** carries the control platform’s list — every number the board can log, whether or not the machine in front of you has the part. The manual of a solid-door 24-inch refrigerator carries *E13: Auger error* that way, and that refrigerator has never had an auger.

**The service-menu guide** carries that model’s own list and writes “Does not apply to this model” against what the unit cannot raise. Reading the first as if it were the second is exactly how a sibling network published about 38 U-Line “codes” that were really symptoms. Both lists are kept apart here, and the five numbers no model’s menu claims say so on their own pages.

## The 3000 Series tells you, in words, on the display.

Four cabinets in this catalog do not use the E numbers at all. The 3000 Series monitors its inputs continuously and writes a notification on the user interface in plain language: *No Comm*, *Zone T Open*, *Amb Thrm Short*, *Temp Hi 12H+*, *Door Open 5M*. Twelve of them, each with the maker’s own solution beside it, and on a two-zone cabinet each says (L) or (R) so you know which half it came from.

That is the reverse of every other U-Line ever built, and it is why the first question on this archive is which series you own rather than what the display says. Two of the twelve — *Evap T Open* and *Evap T Short* — appear only in the service guide and in no customer-facing table at all.

## Four things to do before it clears

Write it down exactly

- The string as shown — E5, or a bare 11, or ER and a digit.
- Photograph it. On this make what you can see is worth more than usual.
- Do not clear the log: the order errors happened in is evidence.

Establish what kind of thing it is

- A door error is on the display and sounds every minute.
- A bare 11, 12 or 13 on an ice machine is water or the auger.
- A number between 1 and 16, or 99, is a test mode rather than an error.

Then the plate

- Model and serial from the upper right or rear wall inside.
- The control's own two-digit model number, if it has been replaced.
- Whether the unit is 1 Class, 5 Class, Home, Seamless or 2000 Series.

## Then start from what the cabinet is doing

This maker logs its errors in memory and shows you only the door, so on most U-Line units the behaviour is the whole of the evidence. Twenty-two pages describe what an owner can actually see — ice that stops, a cabinet that runs and never arrives, a padlock — and each opens with the checks that cost nothing.

## Not every U-Line number is published, and we will not invent the rest.

Fifteen numbers and eleven signals, every one traceable to a manual. The current Home and Seamless collections keep an error log the maker points at an appendix for — and that appendix is not in the document. Where that is the answer we say so, because this is the brand whose codes were invented wholesale once already.

## The questions this page is asked

Why can I not find my code anywhere online? — Because most U-Line numbers are never displayed. The control logs fifteen of them and shows one — the door. The rest live in a service menu behind a hidden key. If you are looking at a bare number on an ice machine it is probably 11, 12 or 13, which the maker prints as E11, E12 and E13 and notes are displayed as digits.

What are HTA and PF? — Not U-Line codes. They trace to Frigidaire and Electrolux documentation and appear in none of the forty-four U-Line manuals read for this site. HH is in the same position: people search for it and no U-Line manual prints it. None of the three is published here.

My unit is a current Home or Seamless model and the manual points at an Appendix D. — And that appendix is not in the document. Those controls keep a real error log — the service menu has an option for it — and the maker does not decode it in print. We are not going to invent the meanings, so on those machines the diagnosis is the log plus measurements.

How do I read the error log myself? — Hold the hidden button for ten seconds to enter the service mode; the display shows 0. The log is option 14 on the older controls and 21 on the current ones, and the errors scroll in the order they happened. Please write them down before clearing anything — the sequence is most of what a technician can work with.

Is a signal less serious than a code? — Not necessarily, and sometimes the reverse. Self Preservation Mode shows nothing at all and means a sensor has failed. Showroom mode shows a flashing symbol and means nothing is wrong. What matters is what the appliance is doing, not whether it has a number attached.

## Fifteen numbers, eleven signals, and one honest caveat

Every entry in this archive is traceable to a User Guide & Service Manual downloaded from U-Line’s own site. The text of forty-four of them is archived in this project, and each page names the document and the section its wording came from. That matters more on this make than on any other in this fleet, because U-Line is the brand whose codes were invented wholesale once already: a sibling network published about 38 “codes” that were plain-English symptoms.

Ten of the fifteen numbers here are claimed by a real model’s own service menu — the doors, the thermistors, the second door and the drain pump. Five of them — E4, E8, E11, E12 and E13 — appear on the control board’s printed list and in no model’s own menu among the manuals we read. They are published anyway, because 11, 12 and 13 are among the most searched things about this make and people type them as bare digits, which is exactly what the maker’s own “displayed as 11” predicts. Their pages say where they come from rather than implying they apply to your machine.

The eleven signals carry the rest, and on this appliance that is most of the work. A mode that stops the cooling while the light works. A backup mode that hides a dead sensor behind a fixed cycle. A cleaning request made with three lamps. A padlock on a panel that is not broken. Each is quoted, each is labeled a signal rather than a code, and each links to the repair it usually becomes.

What is not here: HTA, PF and HH, which belong to other makers or to nobody; decoded meanings for the current Home and Seamless collections, whose manuals point at an appendix that does not exist; and any number that could not be quoted from a document.

## Have a number, or just a behavior?

Either is useful. Photograph the display, note the model, and tell us what the appliance is doing — on this make the second is often worth more than the first.

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**[Read full article: Error codes archive](https://ulinemiami.support/error-codes-archive/)**