--- title: "Ice Machine Control Board Repair | IceMachineRepair.center" description: "The controller, its display, the sensors it reads and their wiring, tested when a code, a blinking light or a dead machine points there." url: "https://icemachinerepair.center/services/ice-machine-control-board-repair/" --- # Ice Machine Control Board Repair The controller, its display, the sensors it reads and their wiring, tested when a code, a blinking light or a dead machine points there. ## What the ice machine control board repair involves. The control board runs every step of an ice machine's day: it opens the inlet valve, starts the pump, calls for cooling, reads the thickness probe and the thermistors, opens the hot gas valve for the harvest, listens to the curtain switch or the bin sensor, and stops when the bin is full. Newer boards keep a history of codes, cycle times and service dates, show them on a small display or a row of lights, and on some models send them to an app. Because the board touches everything, it is often blamed for trouble that starts elsewhere: a probe coated in scale, a thermistor that reads wrong, a loose plug, a connector soaked by a leak, or a transformer that feeds the board low voltage. The technician reads the stored codes, runs the controller's own test mode where it has one, and measures each input and output with the power disconnected or at the maker's test points. A board is replaced only when it fails to switch a load it has been told to switch, or to read an input that has been proved good, and a new one is set up with the model's own settings before the machine goes back into service. How the visit goes ### What it usually costs Moderate to highest · Control board, display, transformer, thermistors and harness A loose or wet plug, a thermistor or a transformer that made the board look guilty is modest. A new control board with its display, set up for the model, is among the dearest parts in the machine, and some take time to arrive. ### Answers 5 problems Ice Machine Error Code or Flashing Light: What It Is Telling You Ice Machine Running but Not Making Ice · Burning or Hot Electrical Smell From an Ice Machine · Ice Machine Tripping the Breaker or Blowing a Fuse · Ice Bin Full but the Ice Machine Keeps Making Ice ### Comes up most on Modular ice machine Undercounter ice machine · Nugget ice machine · Ice and water dispenser ### Codes that lead here E7 · E07 · 6 beeps · 7 beeps Blue Air E7: the ice machine control board reports an internal error. ## Ice machine control board repair, step by step. Run a full freeze and harvest, clear the old codes, and confirm the ice machine stops on a full bin and restarts when ice is taken. 01 Read the stored codes and the cycle history, and note what the display or the lights show right now. 02 Run the controller's own test sequence where the model has one, watching each valve, pump and motor answer in turn. 03 With the power off at the disconnect, measure the probe, the thermistors, the bin sensor and the transformer, and look for wet or scorched plugs. 04 Replace the sensor, harness or board that failed, and enter the model's settings on a new board exactly as the maker lists them. 05 Run a full freeze and harvest, clear the old codes, and confirm the ice machine stops on a full bin and restarts when ice is taken. ## The problems it answers. 5 of them, from ice machine error code or flashing light: what it is telling you to ice bin full but the ice machine keeps making ice. [All problems](https://icemachinerepair.center/problems/) Most common ### Ice Machine Error Code or Flashing Light: What It Is Telling You 7 causes, cheapest first Before you call ### Tell us this when you book 1. The exact code, which lights blink and in what pattern, or a photo of the display 2. Whether the ice machine has no power at all, or lights up and then does nothing 3. Any storm, outage, surge or leak near the machine before it stopped 4. The make, model and serial number from the data plate It also answers - [**Ice Machine Running but Not Making Ice** 6 causes](https://icemachinerepair.center/problems/ice-machine-not-making-ice/) - [**Burning or Hot Electrical Smell From an Ice Machine** 6 causes · clear the area first](https://icemachinerepair.center/problems/ice-machine-burning-smell/) - [**Ice Machine Tripping the Breaker or Blowing a Fuse** 6 causes · clear the area first](https://icemachinerepair.center/problems/ice-machine-tripping-breaker/) - [**Ice Bin Full but the Ice Machine Keeps Making Ice** 6 causes](https://icemachinerepair.center/problems/ice-machine-bin-full-but-still-making-ice/) ## Moderate to highest, on the site's scale. A loose or wet plug, a thermistor or a transformer that made the board look guilty is modest. A new control board with its display, set up for the model, is among the dearest parts in the machine, and some take time to arrive. [Read the full cost guide](https://icemachinerepair.center/cost/) | Repair | Relative cost | | --- | --- | | [Full cleaning and sanitizing, condenser filter wash and a fresh water filter](https://icemachinerepair.center/services/ice-machine-cleaning-and-sanitizing/) | | | [Inlet valve, sump float or level probe, supply line and filter head](https://icemachinerepair.center/services/ice-machine-water-valve-and-filter-repair/) | | | [Thickness probe, curtain switch, harvest assist and hot gas valve](https://icemachinerepair.center/services/ice-machine-harvest-repair/) | | | [Compressor start parts, leak repair, evaporator or compressor replacement](https://icemachinerepair.center/services/ice-machine-compressor-and-sealed-system-repair/) | | | [Condenser cleaning, fan motor, water regulating valve or remote condenser work](https://icemachinerepair.center/services/ice-machine-condenser-and-fan-repair/) | | | **Control board, display, transformer, thermistors and harness** | moderate to highest | | [Drain line clearing, air gap, drain pump, float and check valve](https://icemachinerepair.center/services/ice-machine-drain-and-pump-repair/) | | | [Bin thermostat, paddle, curtain switch or ice-level sensor](https://icemachinerepair.center/services/ice-machine-bin-control-repair/) | | | [Agitator motor, dispense wheel, chute gate, solenoid, lever switch or sensor](https://icemachinerepair.center/services/ice-dispenser-mechanism-repair/) | | ## Where it comes up most. Most bookings: Modular ice machine, Undercounter ice machine, Nugget ice machine, Ice and water dispenser. [All ice machine types](https://icemachinerepair.center/types/) Codes that lead here - [`E7` Blue Air · Control board and power](https://icemachinerepair.center/error-codes/blue-air-e7/) - [`6 beeps` Hoshizaki · Control board and power](https://icemachinerepair.center/error-codes/hoshizaki-6-beeps/) - [`Service light` KitchenAid · Control board and power](https://icemachinerepair.center/error-codes/kitchenaid-service-light/) - [`E03` Manitowoc · Control board and power](https://icemachinerepair.center/error-codes/manitowoc-e03/) [All 12 codes that lead here](https://icemachinerepair.center/error-codes/#family-board) Often the same visit - [**Ice machine diagnostic visit** 3 problems in common](https://icemachinerepair.center/services/diagnostic-visit/) - [**Ice machine bin control repair** 3 problems in common · low](https://icemachinerepair.center/services/ice-machine-bin-control-repair/) - [**Ice machine harvest repair** 2 problems in common · low to moderate](https://icemachinerepair.center/services/ice-machine-harvest-repair/) ### Modular ice machine ### Undercounter ice machine ### Nugget ice machine ## The makes we see it on. 20 makes on this site, and the ice machine control board repair on any of them. Each mark opens that make's own page. [All 20 brands](https://icemachinerepair.center/brands/) ## Ice machine control board repair, where we come out. The kitchen, the climate and the building all change how the ice machine control board repair goes. These notes are about that, metro by metro. [All service areas](https://icemachinerepair.center/locations/) [Tampa Bay](https://icemachinerepair.center/locations/tampa-bay/) FL · 31 areas Afternoon lightning over Tampa Bay sends surges down the lines, and an ice machine's control board is the part most likely to lose its memory or a relay; the visit reads the error codes, tests the board's outputs and suggests surge protection. - [Hyde Park](https://icemachinerepair.center/locations/tampa-bay/hyde-park/) - [Davis Islands](https://icemachinerepair.center/locations/tampa-bay/davis-islands/) - [Palma Ceia](https://icemachinerepair.center/locations/tampa-bay/palma-ceia/) - [Westchase](https://icemachinerepair.center/locations/tampa-bay/westchase/) - [Carrollwood](https://icemachinerepair.center/locations/tampa-bay/carrollwood/) - [Belleair](https://icemachinerepair.center/locations/tampa-bay/belleair/) - [St. Pete Beach](https://icemachinerepair.center/locations/tampa-bay/st-pete-beach/) - [Palm Harbor](https://icemachinerepair.center/locations/tampa-bay/palm-harbor/) [Orlando](https://icemachinerepair.center/locations/orlando/) FL · 30 areas Orlando's summer storms blink the power many times a season, and a machine that restarts into an odd mode or shows a code it will not clear has its board and sensors tested before a new board is ordered. - [Winter Park](https://icemachinerepair.center/locations/orlando/winter-park/) - [Windermere](https://icemachinerepair.center/locations/orlando/windermere/) - [Dr. Phillips](https://icemachinerepair.center/locations/orlando/dr-phillips/) - [Bay Hill](https://icemachinerepair.center/locations/orlando/bay-hill/) - [Lake Nona](https://icemachinerepair.center/locations/orlando/lake-nona/) - [Heathrow](https://icemachinerepair.center/locations/orlando/heathrow/) - [Celebration](https://icemachinerepair.center/locations/orlando/celebration/) [Miami / South Florida](https://icemachinerepair.center/locations/south-florida/) FL · 47 areas Humid salt air creeps into the control boxes of South Florida ice machines, and corrosion on a board's connectors brings random stops and false codes; the visit cleans or replaces the connections and tests the board before replacing it. - [Brickell](https://icemachinerepair.center/locations/south-florida/brickell/) - [Coconut Grove](https://icemachinerepair.center/locations/south-florida/coconut-grove/) - [Coral Gables](https://icemachinerepair.center/locations/south-florida/coral-gables/) - [Pinecrest](https://icemachinerepair.center/locations/south-florida/pinecrest/) - [Key Biscayne](https://icemachinerepair.center/locations/south-florida/key-biscayne/) - [Aventura](https://icemachinerepair.center/locations/south-florida/aventura/) - [Sunny Isles Beach](https://icemachinerepair.center/locations/south-florida/sunny-isles-beach/) - [Bal Harbour](https://icemachinerepair.center/locations/south-florida/bal-harbour/) - [Miami Beach](https://icemachinerepair.center/locations/south-florida/miami-beach/) - [Golden Beach](https://icemachinerepair.center/locations/south-florida/golden-beach/) - [Weston](https://icemachinerepair.center/locations/south-florida/weston/) - [Boca Raton](https://icemachinerepair.center/locations/south-florida/boca-raton/) - [Palm Beach](https://icemachinerepair.center/locations/south-florida/palm-beach/) [New York Metro](https://icemachinerepair.center/locations/new-york/) NY · 75 areas New York restaurants count on ice from opening to last call, and a control board that locks up after a brownout in a summer heat wave is diagnosed by reading its code history and checking the supply voltage at the machine. - [Upper East Side](https://icemachinerepair.center/locations/new-york/upper-east-side/) - [Upper West Side](https://icemachinerepair.center/locations/new-york/upper-west-side/) - [Tribeca](https://icemachinerepair.center/locations/new-york/tribeca/) - [SoHo](https://icemachinerepair.center/locations/new-york/soho/) - [Greenwich Village](https://icemachinerepair.center/locations/new-york/greenwich-village/) - [Battery Park City](https://icemachinerepair.center/locations/new-york/battery-park-city/) - [Brooklyn Heights](https://icemachinerepair.center/locations/new-york/brooklyn-heights/) - [Park Slope](https://icemachinerepair.center/locations/new-york/park-slope/) - [DUMBO](https://icemachinerepair.center/locations/new-york/dumbo/) - [Forest Hills](https://icemachinerepair.center/locations/new-york/forest-hills/) - [Great Neck](https://icemachinerepair.center/locations/new-york/great-neck/) - [Southampton](https://icemachinerepair.center/locations/new-york/southampton/) - [Scarsdale](https://icemachinerepair.center/locations/new-york/scarsdale/) [Houston](https://icemachinerepair.center/locations/houston/) TX · 36 areas When a hurricane or a summer storm leaves Houston without power for days, the surge that ends the outage may take an ice machine's board with it; the visit confirms the board failed rather than a fuse, a transformer or a sensor. - [River Oaks](https://icemachinerepair.center/locations/houston/river-oaks/) - [Memorial](https://icemachinerepair.center/locations/houston/memorial/) - [Tanglewood](https://icemachinerepair.center/locations/houston/tanglewood/) - [Greater Heights](https://icemachinerepair.center/locations/houston/greater-heights/) - [Kingwood](https://icemachinerepair.center/locations/houston/kingwood/) - [Bellaire](https://icemachinerepair.center/locations/houston/bellaire/) - [Bunker Hill Village](https://icemachinerepair.center/locations/houston/bunker-hill-village/) - [Piney Point Village](https://icemachinerepair.center/locations/houston/piney-point-village/) - [Hunters Creek Village](https://icemachinerepair.center/locations/houston/hunters-creek-village/) - [Sugar Land](https://icemachinerepair.center/locations/houston/sugar-land/) - [Cinco Ranch](https://icemachinerepair.center/locations/houston/cinco-ranch/) - [The Woodlands](https://icemachinerepair.center/locations/houston/the-woodlands/) - [West University](https://icemachinerepair.center/locations/houston/west-university/) [Chicago](https://icemachinerepair.center/locations/chicagoland/) IL · 50 areas Older Chicagoland commercial buildings may run ice machines on circuits shared with other equipment, and the voltage dip when that equipment starts can upset a board; the visit measures the supply and checks the board, its fuse and its transformer. - [Lincoln Park](https://icemachinerepair.center/locations/chicagoland/lincoln-park/) - [Near North Side](https://icemachinerepair.center/locations/chicagoland/near-north-side/) - [West Loop / Near West Side](https://icemachinerepair.center/locations/chicagoland/west-loop-near-west-side/) - [Wilmette](https://icemachinerepair.center/locations/chicagoland/wilmette/) - [Winnetka](https://icemachinerepair.center/locations/chicagoland/winnetka/) - [Glencoe](https://icemachinerepair.center/locations/chicagoland/glencoe/) - [River Forest](https://icemachinerepair.center/locations/chicagoland/river-forest/) - [Oak Park](https://icemachinerepair.center/locations/chicagoland/oak-park/) - [Hinsdale](https://icemachinerepair.center/locations/chicagoland/hinsdale/) - [Lake Forest](https://icemachinerepair.center/locations/chicagoland/lake-forest/) - [Highland Park](https://icemachinerepair.center/locations/chicagoland/highland-park/) - [Gold Coast](https://icemachinerepair.center/locations/chicagoland/gold-coast/) - [Lakeview](https://icemachinerepair.center/locations/chicagoland/lakeview/) [Los Angeles](https://icemachinerepair.center/locations/los-angeles/) CA · 95 areas Public safety power shutoffs in fire season switch off whole areas of Los Angeles, and ice machines that come back with a blank display or a stuck mode are checked at the board, the power supply and the settings held in memory. - [Beverly Hills](https://icemachinerepair.center/locations/los-angeles/beverly-hills/) - [Bel Air](https://icemachinerepair.center/locations/los-angeles/bel-air/) - [Holmby Hills](https://icemachinerepair.center/locations/los-angeles/holmby-hills/) - [Brentwood](https://icemachinerepair.center/locations/los-angeles/brentwood/) - [Pacific Palisades](https://icemachinerepair.center/locations/los-angeles/pacific-palisades/) - [Santa Monica](https://icemachinerepair.center/locations/los-angeles/santa-monica/) - [Hancock Park](https://icemachinerepair.center/locations/los-angeles/hancock-park/) - [Studio City](https://icemachinerepair.center/locations/los-angeles/studio-city/) - [Calabasas](https://icemachinerepair.center/locations/los-angeles/calabasas/) - [Manhattan Beach](https://icemachinerepair.center/locations/los-angeles/manhattan-beach/) - [Palos Verdes Estates](https://icemachinerepair.center/locations/los-angeles/palos-verdes-estates/) - [Pasadena](https://icemachinerepair.center/locations/los-angeles/pasadena/) - [San Marino](https://icemachinerepair.center/locations/los-angeles/san-marino/) - [Malibu](https://icemachinerepair.center/locations/los-angeles/malibu/) [San Diego](https://icemachinerepair.center/locations/san-diego/) CA · 31 areas San Diego's newer ice machines carry boards with network connections and detailed codes, and the visit reads that history to see whether the board itself failed or was reporting a real problem with water, harvest or temperature. - [La Jolla](https://icemachinerepair.center/locations/san-diego/la-jolla/) - [Carmel Valley](https://icemachinerepair.center/locations/san-diego/carmel-valley/) - [Point Loma](https://icemachinerepair.center/locations/san-diego/point-loma/) - [Del Mar](https://icemachinerepair.center/locations/san-diego/del-mar/) - [Rancho Santa Fe](https://icemachinerepair.center/locations/san-diego/rancho-santa-fe/) - [Coronado](https://icemachinerepair.center/locations/san-diego/coronado/) - [Encinitas](https://icemachinerepair.center/locations/san-diego/encinitas/) - [Solana Beach](https://icemachinerepair.center/locations/san-diego/solana-beach/) [San Francisco Bay Area](https://icemachinerepair.center/locations/bay-area/) CA · 74 areas Bay Area offices sometimes link ice machines to building monitoring, and when a board reports an error remotely the visit confirms it at the machine, since a sensor or a loose connection can make a healthy board look failed. - [Pacific Heights](https://icemachinerepair.center/locations/bay-area/pacific-heights/) - [Presidio Heights](https://icemachinerepair.center/locations/bay-area/presidio-heights/) - [Russian Hill](https://icemachinerepair.center/locations/bay-area/russian-hill/) - [Noe Valley](https://icemachinerepair.center/locations/bay-area/noe-valley/) - [Sea Cliff](https://icemachinerepair.center/locations/bay-area/sea-cliff/) - [Hillsborough](https://icemachinerepair.center/locations/bay-area/hillsborough/) - [Atherton](https://icemachinerepair.center/locations/bay-area/atherton/) - [Woodside](https://icemachinerepair.center/locations/bay-area/woodside/) - [Palo Alto](https://icemachinerepair.center/locations/bay-area/palo-alto/) - [Los Altos Hills](https://icemachinerepair.center/locations/bay-area/los-altos-hills/) - [Tiburon](https://icemachinerepair.center/locations/bay-area/tiburon/) - [Piedmont](https://icemachinerepair.center/locations/bay-area/piedmont/) - [Marina](https://icemachinerepair.center/locations/bay-area/marina/) For the heart of your home. ## Questions about the ice machine control board repair. ### Can I reset my ice machine to clear the code? Most manuals give a reset or a power-off procedure, and trying it once is fine. If the same code comes back, the machine is reporting something real; switching it off and on again and again can wipe the history the technician relies on. ### Does a code always mean the ice machine board has failed? Rarely. A code names what the board saw, such as a long freeze, a slow harvest or high pressure; the cause is usually a sensor, a valve, the water or the condenser. The board is the last suspect, once every input has been measured. ### Does a replacement board need setting up for my model? Often. Some boards are shared across a make's line and need the model's settings entered or a jumper moved, which the technician does from the maker's instructions. A board left on the wrong settings makes the wrong size of cube or times the harvest badly. --- **[Read on the site: Ice Machine Control Board Repair | IceMachineRepair.center](https://icemachinerepair.center/services/ice-machine-control-board-repair/)** **[Book a visit with IceMachineRepair.center](https://icemachinerepair.center/schedule/)**