--- title: "Common problems — Ice Machine Guides" description: "What an ice machine means when the bin stays low, the cubes come out thin, hollow or cloudy, the ice tastes of something it should not, or a light keeps asking…" url: "https://icemachinerepair.center/guides/common-problems/" --- What the ice is telling you # Common problems guides. What an ice machine means when the bin stays low, the cubes come out thin, hollow or cloudy, the ice tastes of something it should not, or a light keeps asking for a cleaning you already did. ## Common problems, guide by guide. Here the starting point is the ice itself, its amount, its shape and its taste, and the route runs backward to whatever changed. It is written for whoever notices first that something has changed: a bar manager whose bin is no longer full at opening, a clinic office manager who hears complaints about the ice at the patient water station, or a homeowner with a clear-ice undercounter unit that has started making cloudy, dimpled cubes. [All 18 guides](https://icemachinerepair.center/guides/) 6-minute read ### [Why an ice machine makes less ice: room heat, a clogged condenser and a slow fill](https://icemachinerepair.center/guides/why-an-ice-machine-makes-less-ice/) Output slides a few pounds a day before anyone notices. How cycle time, clearance, the air filter and supply pressure decide the daily total, and which stops mean a technician. 5-minute read ### [Shallow or hollow ice machine cubes: the trough, scale and the thickness probe](https://icemachinerepair.center/guides/why-the-cubes-come-out-small-or-hollow/) Lay a fresh sheet of cubes on a dark tray and read it. A lopsided sheet, a missing column and chalky edges each point to a different stage of the freeze. 5-minute read ### [Ice machine ice that tastes musty, chemical or of the room: from the tap to the bin](https://icemachinerepair.center/guides/why-the-ice-tastes-or-smells-off/) Taste the tap water beside a melted cube first. Then the filter, biofilm on the curtain, the scoop, the drain and whatever sits near the air intake. ## What the ice is telling you. The causes in each guide are ordered by how frequently we find them on modular heads, self-contained undercounter cubers, nugget machines and ice and water dispensers. Heat around the condenser, water arriving slowly, scale on the evaporator and biofilm in the water path account for most complaints, and each has a check that needs no tools and no panel removed. The shape of the ice carries more information than most people expect. A sheet of cubes that is full at the bottom and thin at the top, a machine that harvests on time but drops shallow cubes, and ice that tastes of the room it sits in each point to a different stage of the freeze and harvest cycle, and the guides explain how to read them. Each guide names the moment the answer is no longer outside the cabinet. The thickness probe, the inlet valve, the harvest components and anything on the cooling circuit are for a technician, and on a machine that runs on R-290 the circuit is never a place for anyone else to work. [Not sure where to start?](https://icemachinerepair.center/guides/#start-here) ### The short answer Why an ice machine makes less ice: room heat, a clogged condenser and a slow fill An ice machine making less ice is usually losing the heat battle or the water battle: hot room air, a clogged air filter or condenser, a partly closed supply valve or a dirty inlet screen. ### The short answer Shallow or hollow ice machine cubes: the trough, scale and the thickness probe An ice machine making small or hollow cubes is usually short of water during the freeze or harvesting early: a low trough, a dirty inlet screen, a loaded filter, warm supply water, scale on the plate or a thickness probe out of adjustment. ### The short answer Ice machine ice that tastes musty, chemical or of the room: from the tap to the bin When ice machine ice tastes bad, trace it in order: the incoming water and the filter cartridge, slime or scale in the water system, the bin and scoop, the drain, and what is stored or cooked near the machine. ## When reading is not enough. If the checks in these guides did not settle it, the visit picks up from there, stop by stop. [What repairs cost](https://icemachinerepair.center/cost/) 1. 01 One cycle, watched closely 2. 02 The cause, then the price 3. 03 Parts that travel with us 4. 04 A harvest before we go ## The problems these answer. Each has a page of its own, with the causes in the order worth checking. [All 17 problems](https://icemachinerepair.center/problems/) Problem ### Ice Machine Making Too Little Ice for the Rush 6 causes, cheapest first Problem ### Ice Machine Running but Not Making Ice 6 causes, cheapest first Problem ### Ice Machine Not Harvesting: Ice Stays Stuck on the Plate 6 causes, cheapest first Problem ### Ice Machine Water Running Nonstop to the Drain 6 causes, cheapest first For the heart of your home. ## Questions about common problems. ### Which problem should I read about first? Start with whatever changed first. Less ice, odd-shaped cubes and a bad taste often share one cause, such as scale or a loaded water filter, and the first change usually points to it. ### Are these guides for home or commercial ice machines? Both. The same freeze and harvest cycle runs a bar's modular head and a premium residential undercounter unit, and where the makers give different limits for each, the guides say so. ### Do I need the manual to use these guides? It helps. Cleaning products, dilution and schedules are specific to each maker, and the guides send you to the manual for those rather than guessing. ### When is a common problem really an urgent one? When water is spreading across a floor, a breaker keeps tripping, there is a burning smell, or a hiss or propane-like odor comes from an R-290 unit. Those are safety calls, not quality ones. ## The other sections. Split by what you are trying to find out rather than by which part of the appliance it concerns. [All guides](https://icemachinerepair.center/guides/) Safe checks at the bin and the valve ### [Troubleshooting](https://icemachinerepair.center/guides/troubleshooting/) - [Ice machine checks before booking: power, supply valve, curtain, airflow and the bin](https://icemachinerepair.center/guides/ice-machine-checks-before-booking/) - [Reading ice machine lights and codes: status, requests and protective stops](https://icemachinerepair.center/guides/reading-ice-machine-lights-and-codes/) - [Finding the ice machine model and serial number on the head, the bin and the screen](https://icemachinerepair.center/guides/find-the-ice-machine-model-and-serial/) Habits that keep the bin full for years ### [Maintenance and prevention](https://icemachinerepair.center/guides/maintenance-and-prevention/) - [Cleaning and Sanitizing an Ice Machine: Descaler First, Sanitizer Second, Never Together](https://icemachinerepair.center/guides/cleaning-and-sanitizing-an-ice-machine/) - [Scale and the Ice Machine Water Filter: Purge, Polyphosphate and a Six-Month Cartridge](https://icemachinerepair.center/guides/scale-and-the-water-filter/) - [Keeping the Condenser Clean: The Monthly Filter, the Six-Month Coil and the Air Around It](https://icemachinerepair.center/guides/keeping-the-condenser-clean/) Keeping the ice, the floor and the room safe ### [Ice hygiene, water and gas](https://icemachinerepair.center/guides/safety-and-food/) - [Slime and Mold in an Ice Machine: Where It Grows, Why It Returns, What Cleaning Fixes](https://icemachinerepair.center/guides/slime-and-mold-in-the-bin/) - [An Ice Machine Leaking on a Busy Floor: Clear the Path, Close the Valve, Then Trace It](https://icemachinerepair.center/guides/a-leak-on-a-busy-floor/) - [A Gas Smell Near an Ice Machine: Leave the Room First, Then Call From Outside](https://icemachinerepair.center/guides/flammable-refrigerant-and-what-to-do/) Cube or nugget, keep or retire ### [Choosing and comparing](https://icemachinerepair.center/guides/choosing-and-comparing/) - [Cube, Nugget or Flake Ice: Two Ways of Freezing and the Job Each One Suits](https://icemachinerepair.center/guides/cube-nugget-or-flake-ice/) - [Air-Cooled, Water-Cooled or Remote: Where an Ice Machine Sends Its Heat](https://icemachinerepair.center/guides/air-water-or-remote-cooled/) - [Repair or Replace an Ice Machine: Scale, Sealed System and the Ice You Actually Need](https://icemachinerepair.center/guides/repair-or-replace-an-ice-machine/) Water, drain, air and power ### [Installation and setup](https://icemachinerepair.center/guides/installation-and-setup/) - [The Ice Machine Drain and Its Air Gap: Why the Line Never Touches the Sewer](https://icemachinerepair.center/guides/the-drain-and-the-air-gap/) - [Room Heat and Clearance Around an Ice Machine: Give It Air to Breathe](https://icemachinerepair.center/guides/room-heat-and-clearance/) - [How to Size an Ice Machine for Your Busiest Day: Output, Bin and Room](https://icemachinerepair.center/guides/sizing-an-ice-machine-for-the-day/) Not sure which section? ### Start from your question The four questions most visits start with, each with the guide that answers it. 18 guides Where to start Where to start --- **[Read on the site: Common problems — Ice Machine Guides](https://icemachinerepair.center/guides/common-problems/)** **[Book a visit with IceMachineRepair.center](https://icemachinerepair.center/schedule/)**