--- title: "Sub-Zero not working right? Start here." description: "Sub-Zero refrigerator problems and what each one usually means: not cooling, not making ice, service light flashing, beeping, leaking, running constantly." url: "https://subzeromiami.support/symptoms/" date_modified: "2026-08-18" --- # Symptoms archive ## Sub-Zero not working right? Start here. Most people call us with a description rather than a code: it is not cooling, it stopped making ice, the service light is on. Each page below covers what that usually means on built-in refrigeration, what to check in five minutes, and when it stops being a do-it-yourself job. 12 — symptoms covered in detail 5 min — of checks before you call from $95 — diagnostic, credited to the repair Photo — of the display beats any description ## If the display is showing a code, that is your fastest diagnosis. A description narrows the problem to a handful of possibilities. A code narrows it to a subsystem: sensor, fan, water valve, door, load. It is the difference between “it is not cooling” and “the condenser fan is out of range” — and it takes a photograph rather than an explanation. So before you read any further: look at the display, and if there is anything on it, photograph it. Codes clear themselves, often before a technician arrives, and the photograph is frequently the most useful thing anybody has. Then find the code in our list — it will tell you which series show it and what it covers. ## What is it doing? Pick the one that sounds like your unit. Each page lists the likely causes in the order they are worth checking, which is roughly cheapest first. No symptom pages published yet. Call [(305) 570-1472](tel:+13055701472) and describe what the unit is doing. ## Four checks that solve a surprising share of calls None of them need tools, and all of them are worth doing before booking. The condenser - Pull the grille and look at the coil - Dust inland, salt corrosion near the water - Behind a large share of everything on this page The door seal - Close the door on a sheet of paper and pull - Test it at several points, not just one - A soft corner is enough to cost the cabinet its temperature The display - Photograph any code before it clears - Note whether a service light is on - Write down the model number from the plate Recent history - Any power cut or storm in the last month - Any filter change in the last week - Whether it started suddenly or drifted ## Describe it in your own words. That is enough to start. These are the symptoms we are asked about most often, not the limit of what goes wrong. Built-in refrigeration fails in more ways than any list holds, and plenty of visits turn out to be something that has no name until the panel comes off. Tell us the model number and what the unit is doing — in whatever words fit — and we will tell you what it usually points at and what it is likely to involve. If it is not our work, we will say so. **Call [(305) 570-1472](tel:+13055701472)**, or use the form above. ## Questions we get about symptoms How do I know whether this is urgent? — Water anywhere near a built-in unit, and a cabinet that has been above temperature for hours, are worth acting on today. A new noise with normal temperatures, or a service light on a unit that is otherwise behaving, is worth booking rather than rushing — but it is also the cheapest moment to look. Is there anything I can safely check myself? — Yes, and it is worth five minutes: the condenser through the grille, the door seals with a sheet of paper, the breaker, and whether anything changed recently — a filter, a power cut, a kitchen refit. Anything inside the sealed system or involving the control board is not a do-it-yourself repair on this equipment. Why do you keep asking for the model number? — Because it decides what a code means, which parts fit, and how the unit is built into the cabinetry. It is on the data plate, usually inside the fresh food compartment near the top or behind the grille on undercounter units. A photograph of it is enough. The display cleared itself. Is the problem gone? — Not necessarily. Many codes clear once the condition passes, which means the unit recovered rather than that nothing happened. If it returns, the second appearance matters more than the first — and if you photographed the first one, we start much further along. Can you tell me what it will cost from a description? — We can tell you the range. A description narrows it to a few possible causes, and those sit hundreds of dollars apart, so the exact figure is confirmed after the on-site diagnostic and agreed with you before any work begins. ## Tell us what it is doing, and send the photo. The display and the model plate are usually enough for us to say what is likely, what it involves, and what it should cost. --- **[Read full article: Symptoms archive](https://subzeromiami.support/symptoms-archive/)**