---
title: "Ice Maker Control and Sensor Repair | IceMakerRepair.center"
description: "The control board, the thermistors, the bin sensor and the wiring that decide when an ice maker fills, freezes and stops, tested and repaired when a light…"
url: "https://icemakerrepair.center/services/ice-maker-control-and-sensor-repair/"
---

# Ice Maker Control and Sensor Repair

The control board, the thermistors, the bin sensor and the wiring that decide when an ice maker fills, freezes and stops, tested and repaired when a light flashes, a code shows, a breaker trips or the ice never stops coming.

## What the ice maker control and sensor repair involves.

Behind every fill and every harvest is a decision made by a control: a small board on a door or freezer ice maker, a larger one on an undercounter unit. It reads a thermistor to know the mold or plate is cold enough, a bin sensor to know there is room, a water level sensor on units with a reservoir, and it switches the valve, the heater, the motor and the pump. When a sensor drifts, the control makes the wrong decision: it harvests too early and the cubes are soft, it never sees the bin full and keeps making ice, or it thinks the bin is full and stops. Water is the other enemy here, because a drip onto a connector corrodes it, and a wet wire can trip the breaker. The technician reads the codes or flashing lights, measures each sensor against the maker's values, inspects every connector for water and corrosion, and replaces the part whose reading is off.

How the visit goes

### What it usually costs Moderate to highest · Control board, thermistor or bin sensor

A thermistor, a bin sensor or a cleaned connector is a small repair. A control board for an undercounter unit is one of the costliest parts an ice maker has, and it can take time to arrive.

### Answers 5 problems Ice Maker Error Code

Ice Maker Light Flashing · Ice Maker Tripping the Breaker · Ice Maker Making Too Much Ice · No Ice Coming From the Ice Maker

### Comes up most on Door ice maker

Freezer ice maker · Undercounter ice maker · Countertop ice maker

### Codes that lead here EE · E02 · Several control lights flashing · Several control lights flashing

Bertazzoni French door ice maker showing EE.

## Ice maker control and sensor repair, step by step.

Leave you with a control that fills, harvests and stops at the right moments, and no code or flashing light.

01

Read the code or the pattern of flashing lights and run the ice maker's own test mode where it has one.

02

Measure the thermistor, the bin sensor and the water level sensor against the maker's values.

03

Inspect connectors and wiring for water, corrosion and heat marks, and test the circuit if a breaker has tripped.

04

Repair the wiring, or replace the sensor or the control board whose reading is off.

05

Leave you with a control that fills, harvests and stops at the right moments, and no code or flashing light.

## The problems it answers.

5 of them, from ice maker error code to no ice coming from the ice maker.

[All problems](https://icemakerrepair.center/problems/)

Most common

### Ice Maker Error Code

8 causes, cheapest first

Before you call

### Tell us this when you book

1. Any code or flashing light, and how many times it flashes
2. Whether the breaker has tripped, and whether it trips as soon as the ice maker runs
3. Whether the ice maker overfills the bin or stops with the bin half empty
4. Whether there was a leak, a flood or a power surge recently

It also answers

- [**Ice Maker Light Flashing** 6 causes](https://icemakerrepair.center/problems/ice-maker-light-flashing/)
- [**Ice Maker Tripping the Breaker** 5 causes · water on the floor or near power](https://icemakerrepair.center/problems/ice-maker-tripping-breaker/)
- [**Ice Maker Making Too Much Ice** 5 causes](https://icemakerrepair.center/problems/ice-maker-making-too-much-ice/)
- [**No Ice Coming From the Ice Maker** 7 causes](https://icemakerrepair.center/problems/ice-maker-not-making-ice/)

## Moderate to highest, on the site's scale.

A thermistor, a bin sensor or a cleaned connector is a small repair. A control board for an undercounter unit is one of the costliest parts an ice maker has, and it can take time to arrive.

[Read the full cost guide](https://icemakerrepair.center/cost/)

| Repair | Relative cost |
| --- | --- |
| [Ice maker module, mold or twisting tray](https://icemakerrepair.center/services/ice-maker-assembly-replacement/) | |
| [Water inlet valve and its fittings](https://icemakerrepair.center/services/water-inlet-valve-repair/) | |
| [Frozen fill tube, tube heater or drip cause](https://icemakerrepair.center/services/frozen-fill-tube-repair/) | |
| [Auger, auger motor, crusher or chute flap](https://icemakerrepair.center/services/ice-dispenser-and-auger-repair/) | |
| [Ice bin, compartment cover, gasket or latch](https://icemakerrepair.center/services/ice-bin-and-door-seal-repair/) | |
| [Water filter, supply line or shutoff valve](https://icemakerrepair.center/services/water-filter-and-supply-line-service/) | |
| [Drain pump, check valve or drain hose](https://icemakerrepair.center/services/drain-pump-and-drain-line-repair/) | |
| [Cleaning, descaling and sanitizing](https://icemakerrepair.center/services/undercounter-ice-maker-cleaning-and-descaling/) | |
| **Control board, thermistor or bin sensor** | moderate to highest |

## Where it comes up most.

Most bookings: Door ice maker, Freezer ice maker, Undercounter ice maker, Countertop ice maker.

[All ice maker types](https://icemakerrepair.center/types/)

Codes that lead here

- [`EE` Bertazzoni · Temperature sensors](https://icemakerrepair.center/error-codes/bertazzoni-ee/)
- [`E02` Bosch · Control board and communication](https://icemakerrepair.center/error-codes/bosch-e02/)
- [`Several control lights flashing` Café · Control board and communication](https://icemakerrepair.center/error-codes/cafe-several-control-lights-flashing/)
- [`Several control lights flashing` GE · Control board and communication](https://icemakerrepair.center/error-codes/ge-several-control-lights-flashing/)

[All 23 codes that lead here](https://icemakerrepair.center/error-codes/#family-sensor)

Often the same visit

- [**Diagnostic visit** 3 problems in common](https://icemakerrepair.center/services/diagnostic-visit/)
- [**Ice maker assembly replacement** 2 problems in common · moderate](https://icemakerrepair.center/services/ice-maker-assembly-replacement/)
- [**Water filter and supply line service** 1 problem in common · lowest](https://icemakerrepair.center/services/water-filter-and-supply-line-service/)

### Door ice maker

### Freezer ice maker

### Undercounter ice maker

## The makes we see it on.

27 makes on this site, and the ice maker control and sensor repair on any of them. Each mark opens that make's own page.

[All 27 brands](https://icemakerrepair.center/brands/)

## Ice maker control and sensor repair, where we come out.

The kitchen, the climate and the building all change how the ice maker control and sensor repair goes. These notes are about that, metro by metro.

[All service areas](https://icemakerrepair.center/locations/)

[Tampa Bay](https://icemakerrepair.center/locations/tampa-bay/) FL · 31 areas

Tampa Bay's summer lightning is hard on electronics, and an ice maker whose control or sensor reads wrong after a strike or a surge has its thermistor and its board tested before any part is ordered, with a surge protector suggested where it fits.

- [Hyde Park](https://icemakerrepair.center/locations/tampa-bay/hyde-park/)
- [Davis Islands](https://icemakerrepair.center/locations/tampa-bay/davis-islands/)
- [Palma Ceia](https://icemakerrepair.center/locations/tampa-bay/palma-ceia/)
- [Westchase](https://icemakerrepair.center/locations/tampa-bay/westchase/)
- [Carrollwood](https://icemakerrepair.center/locations/tampa-bay/carrollwood/)
- [Belleair](https://icemakerrepair.center/locations/tampa-bay/belleair/)
- [St. Pete Beach](https://icemakerrepair.center/locations/tampa-bay/st-pete-beach/)
- [Palm Harbor](https://icemakerrepair.center/locations/tampa-bay/palm-harbor/)

[Orlando](https://icemakerrepair.center/locations/orlando/) FL · 30 areas

Afternoon storms in Orlando cut power over and over, and an ice maker control that resets or throws a code after each outage is tested for a worn board or a loose connector, since rentals rarely have anyone to reset it by hand.

- [Winter Park](https://icemakerrepair.center/locations/orlando/winter-park/)
- [Windermere](https://icemakerrepair.center/locations/orlando/windermere/)
- [Dr. Phillips](https://icemakerrepair.center/locations/orlando/dr-phillips/)
- [Bay Hill](https://icemakerrepair.center/locations/orlando/bay-hill/)
- [Lake Nona](https://icemakerrepair.center/locations/orlando/lake-nona/)
- [Heathrow](https://icemakerrepair.center/locations/orlando/heathrow/)
- [Celebration](https://icemakerrepair.center/locations/orlando/celebration/)

[Miami / South Florida](https://icemakerrepair.center/locations/south-florida/) FL · 47 areas

South Florida humidity creeps into the connectors behind a freezer's ice maker, and corrosion on those pins sends false readings to the control, so cleaning or replacing the harness often settles a code the board seemed to be causing.

- [Brickell](https://icemakerrepair.center/locations/south-florida/brickell/)
- [Coconut Grove](https://icemakerrepair.center/locations/south-florida/coconut-grove/)
- [Coral Gables](https://icemakerrepair.center/locations/south-florida/coral-gables/)
- [Pinecrest](https://icemakerrepair.center/locations/south-florida/pinecrest/)
- [Key Biscayne](https://icemakerrepair.center/locations/south-florida/key-biscayne/)
- [Aventura](https://icemakerrepair.center/locations/south-florida/aventura/)
- [Sunny Isles Beach](https://icemakerrepair.center/locations/south-florida/sunny-isles-beach/)
- [Bal Harbour](https://icemakerrepair.center/locations/south-florida/bal-harbour/)
- [Miami Beach](https://icemakerrepair.center/locations/south-florida/miami-beach/)
- [Golden Beach](https://icemakerrepair.center/locations/south-florida/golden-beach/)
- [Weston](https://icemakerrepair.center/locations/south-florida/weston/)
- [Boca Raton](https://icemakerrepair.center/locations/south-florida/boca-raton/)
- [Palm Beach](https://icemakerrepair.center/locations/south-florida/palm-beach/)

[New York Metro](https://icemakerrepair.center/locations/new-york/) NY · 75 areas

Prewar New York kitchens often share one old circuit among several appliances, and when the ice maker's control restarts itself or forgets its settings, the receptacle and the voltage under load are measured before a new board is considered.

- [Upper East Side](https://icemakerrepair.center/locations/new-york/upper-east-side/)
- [Upper West Side](https://icemakerrepair.center/locations/new-york/upper-west-side/)
- [Tribeca](https://icemakerrepair.center/locations/new-york/tribeca/)
- [SoHo](https://icemakerrepair.center/locations/new-york/soho/)
- [Greenwich Village](https://icemakerrepair.center/locations/new-york/greenwich-village/)
- [Battery Park City](https://icemakerrepair.center/locations/new-york/battery-park-city/)
- [Brooklyn Heights](https://icemakerrepair.center/locations/new-york/brooklyn-heights/)
- [Park Slope](https://icemakerrepair.center/locations/new-york/park-slope/)
- [DUMBO](https://icemakerrepair.center/locations/new-york/dumbo/)
- [Forest Hills](https://icemakerrepair.center/locations/new-york/forest-hills/)
- [Great Neck](https://icemakerrepair.center/locations/new-york/great-neck/)
- [Southampton](https://icemakerrepair.center/locations/new-york/southampton/)
- [Scarsdale](https://icemakerrepair.center/locations/new-york/scarsdale/)

[Houston](https://icemakerrepair.center/locations/houston/) TX · 36 areas

After a Houston hurricane outage, power that returns in surges can damage an ice maker's control, and a unit whose display or ice light acts erratically once the lights are back has its board and sensors tested in turn.

- [River Oaks](https://icemakerrepair.center/locations/houston/river-oaks/)
- [Memorial](https://icemakerrepair.center/locations/houston/memorial/)
- [Tanglewood](https://icemakerrepair.center/locations/houston/tanglewood/)
- [Greater Heights](https://icemakerrepair.center/locations/houston/greater-heights/)
- [Kingwood](https://icemakerrepair.center/locations/houston/kingwood/)
- [Bellaire](https://icemakerrepair.center/locations/houston/bellaire/)
- [Bunker Hill Village](https://icemakerrepair.center/locations/houston/bunker-hill-village/)
- [Piney Point Village](https://icemakerrepair.center/locations/houston/piney-point-village/)
- [Hunters Creek Village](https://icemakerrepair.center/locations/houston/hunters-creek-village/)
- [Sugar Land](https://icemakerrepair.center/locations/houston/sugar-land/)
- [Cinco Ranch](https://icemakerrepair.center/locations/houston/cinco-ranch/)
- [The Woodlands](https://icemakerrepair.center/locations/houston/the-woodlands/)
- [West University](https://icemakerrepair.center/locations/houston/west-university/)

[Chicago](https://icemakerrepair.center/locations/chicagoland/) IL · 50 areas

A Chicagoland ice maker in a cold garage or an unheated porch can read its temperature sensor as too cold to harvest, so a control that seems stuck is checked against where the unit stands and what its sensor actually reports.

- [Lincoln Park](https://icemakerrepair.center/locations/chicagoland/lincoln-park/)
- [Near North Side](https://icemakerrepair.center/locations/chicagoland/near-north-side/)
- [West Loop / Near West Side](https://icemakerrepair.center/locations/chicagoland/west-loop-near-west-side/)
- [Wilmette](https://icemakerrepair.center/locations/chicagoland/wilmette/)
- [Winnetka](https://icemakerrepair.center/locations/chicagoland/winnetka/)
- [Glencoe](https://icemakerrepair.center/locations/chicagoland/glencoe/)
- [River Forest](https://icemakerrepair.center/locations/chicagoland/river-forest/)
- [Oak Park](https://icemakerrepair.center/locations/chicagoland/oak-park/)
- [Hinsdale](https://icemakerrepair.center/locations/chicagoland/hinsdale/)
- [Lake Forest](https://icemakerrepair.center/locations/chicagoland/lake-forest/)
- [Highland Park](https://icemakerrepair.center/locations/chicagoland/highland-park/)
- [Gold Coast](https://icemakerrepair.center/locations/chicagoland/gold-coast/)
- [Lakeview](https://icemakerrepair.center/locations/chicagoland/lakeview/)

[Los Angeles](https://icemakerrepair.center/locations/los-angeles/) CA · 95 areas

Los Angeles scale can coat the thermistor clipped to an ice maker's mold and slow its reading, so a control that harvests too early or too late is often corrected by cleaning or replacing the sensor, not the board.

- [Beverly Hills](https://icemakerrepair.center/locations/los-angeles/beverly-hills/)
- [Bel Air](https://icemakerrepair.center/locations/los-angeles/bel-air/)
- [Holmby Hills](https://icemakerrepair.center/locations/los-angeles/holmby-hills/)
- [Brentwood](https://icemakerrepair.center/locations/los-angeles/brentwood/)
- [Pacific Palisades](https://icemakerrepair.center/locations/los-angeles/pacific-palisades/)
- [Santa Monica](https://icemakerrepair.center/locations/los-angeles/santa-monica/)
- [Hancock Park](https://icemakerrepair.center/locations/los-angeles/hancock-park/)
- [Studio City](https://icemakerrepair.center/locations/los-angeles/studio-city/)
- [Calabasas](https://icemakerrepair.center/locations/los-angeles/calabasas/)
- [Manhattan Beach](https://icemakerrepair.center/locations/los-angeles/manhattan-beach/)
- [Palos Verdes Estates](https://icemakerrepair.center/locations/los-angeles/palos-verdes-estates/)
- [Pasadena](https://icemakerrepair.center/locations/los-angeles/pasadena/)
- [San Marino](https://icemakerrepair.center/locations/los-angeles/san-marino/)
- [Malibu](https://icemakerrepair.center/locations/los-angeles/malibu/)

[San Diego](https://icemakerrepair.center/locations/san-diego/) CA · 31 areas

Salt air near the San Diego coast corrodes the sensor leads and connectors of outdoor ice makers, so an outdoor unit whose control reports a sensor code has its connectors inspected and its sensor replaced before the board is questioned.

- [La Jolla](https://icemakerrepair.center/locations/san-diego/la-jolla/)
- [Carmel Valley](https://icemakerrepair.center/locations/san-diego/carmel-valley/)
- [Point Loma](https://icemakerrepair.center/locations/san-diego/point-loma/)
- [Del Mar](https://icemakerrepair.center/locations/san-diego/del-mar/)
- [Rancho Santa Fe](https://icemakerrepair.center/locations/san-diego/rancho-santa-fe/)
- [Coronado](https://icemakerrepair.center/locations/san-diego/coronado/)
- [Encinitas](https://icemakerrepair.center/locations/san-diego/encinitas/)
- [Solana Beach](https://icemakerrepair.center/locations/san-diego/solana-beach/)

[San Francisco Bay Area](https://icemakerrepair.center/locations/bay-area/) CA · 74 areas

Fire-weather power shutoffs in the Bay Area switch an ice maker off and on without warning, and a control that no longer restarts its cycle afterward is tested and reset, with its sensor readings compared to the freezer's actual temperature.

- [Pacific Heights](https://icemakerrepair.center/locations/bay-area/pacific-heights/)
- [Presidio Heights](https://icemakerrepair.center/locations/bay-area/presidio-heights/)
- [Russian Hill](https://icemakerrepair.center/locations/bay-area/russian-hill/)
- [Noe Valley](https://icemakerrepair.center/locations/bay-area/noe-valley/)
- [Sea Cliff](https://icemakerrepair.center/locations/bay-area/sea-cliff/)
- [Hillsborough](https://icemakerrepair.center/locations/bay-area/hillsborough/)
- [Atherton](https://icemakerrepair.center/locations/bay-area/atherton/)
- [Woodside](https://icemakerrepair.center/locations/bay-area/woodside/)
- [Palo Alto](https://icemakerrepair.center/locations/bay-area/palo-alto/)
- [Los Altos Hills](https://icemakerrepair.center/locations/bay-area/los-altos-hills/)
- [Tiburon](https://icemakerrepair.center/locations/bay-area/tiburon/)
- [Piedmont](https://icemakerrepair.center/locations/bay-area/piedmont/)
- [Marina](https://icemakerrepair.center/locations/bay-area/marina/)

For the heart of your home.

## Questions about the ice maker control and sensor repair.

### My undercounter unit has a blinking light. What does it mean?

The pattern of blinks is the unit's way of naming a problem, and each maker has its own list: a clean reminder, a water supply problem, a drain problem or a sensor reading out of range. The guide or the label inside the door often lists them, and a photo of the blinking helps the technician.

### Why does the ice maker keep filling the bin until ice spills out?

The bin sensor is not seeing the full bin: a wire arm bent out of position, an optical sensor with frost or dirt on its lens, or a sensor that has failed. The control keeps harvesting because it believes there is room.

### The breaker trips whenever the ice maker runs. Is it safe to keep resetting it?

No. A breaker that trips again is telling you there is a short or water in the wiring, often from a leak near a connector or the heater. Leave the breaker off, close the water supply if there is any sign of water, and have the circuit checked before it is used again.

### Can a control board be repaired instead of replaced?

A board with a corroded connector or a burned plug can sometimes be saved by cleaning the contacts or replacing the plug. A board with a failed part on it is replaced, because the parts are not sold separately and a repaired board has no support from the maker.

---

**[Read on the site: Ice Maker Control and Sensor Repair | IceMakerRepair.center](https://icemakerrepair.center/services/ice-maker-control-and-sensor-repair/)**

**[Book a visit with IceMakerRepair.center](https://icemakerrepair.center/schedule/)**
