Ice Machine Control Board Failure

Appliance Repair > Ice Machine Repair > Ice Machine Control Board Failure

Ice Machine Control Board Failure

Description and Troubleshooting of Problems

The Control Board Is Not Functioning Correctly

The control board in an ice machine manages all the functions necessary for proper operation. If the control board malfunctions, it can disrupt specific cycles, fail to recognize a sensor, trigger an error code, or even halt the machine entirely. Common causes of control board failure include power surges, a faulty component shorting out the board, water or condensation damage, or poor power connections. Depending on the brand and model, error notifications may differ: modern machines typically display error codes, while older models may stop operating and signal issues using LED indicators on the board. In some cases, specific components of the control board, such as relays, capacitors, or fuses, may fail due to a power surge. When this happens, the board might cease functioning entirely without showing an error.

Solution

After a technician inspects the control board and other components that may cause malfunction in the ice machine, if the issue points to the control board, it will need to be replaced. Often, a damaged control board can be identified visually, with visible signs such as damaged components or burn marks. The damage may also be caused by short-circuited components like the fan motor, circulation pump, capacitor, and others. These components can cause excess current flow, leading to the board’s failure. Only after thorough inspection and identification of the faulty parts can a proper repair or replacement be recommended.

Control board is not functioning correctly
Control board is not functioning correctly

The Control Board Is Not Working Due to a Power Surge

This is a very common issue, especially during storms, hurricanes, or heavy rains when the power suddenly goes out or cycles off and back on within seconds. These situations often cause power surges, which can damage the control board. To prevent this, we recommend turning off the power during such events, waiting until the situation stabilizes, and only then restoring power. This precaution can help protect your ice machine and keep it running smoothly.

Solution

After a voltage surge, visible damage and burn marks are often found on the control board. In many cases, the problem with the malfunctioning control board is a blown fuse, which prevents power from reaching the board during the surge. Replacing the fuse is often enough to restore the ice machine to working condition. However, it’s important to ensure that no other components, such as the fan motor or circulation pump, have caused the surge in the first place, as they may need to be inspected or replaced as well.

Control board is not working due to a power surge
Control board is not working due to a power surge

Power Issue

We often see situations where an ice machine partially starts but does not function correctly, and the cause can be insufficient power from the outlet. For example, an ice machine may require 120W to operate properly, but if it only receives 85W, the display might work, and some processes might begin, but the machine won’t function as it should. This issue could be due to a problem with the circuit breaker not fully engaging, leading to unstable voltage in the power supply.

Solution

To resolve this issue, you will need an electrician who can inspect and replace the faulty circuit breaker.

Power issue
Power issue

Error Codes on the Display

Most ice machines are equipped with a diagnostic code system to indicate issues with specific components. These codes might appear as blinking patterns on the display or LED lights on the control board. While not always perfectly accurate for self-diagnosis, these codes provide critical insights for technicians. For example, an error might indicate delayed ice production or incorrect temperature. However, the root cause could range from a faulty temperature sensor providing inaccurate readings, to a compressor failing to create adequate pressure, or even a control board misinterpreting sensor data. Proper diagnosis is essential, as the actual issue might also involve the harvest sensor or other components. Only after a thorough inspection can we pinpoint and address the exact cause of the ice machine’s malfunction.

Solution

Error codes serve as a guide for technicians, helping them identify the specific issue pointed out by the ice machine and any other factors that might indirectly affect its performance. Different errors can appear due to power outages during the machine’s operation or from system failures. The first step is to reboot the ice machine and clear all previous error codes—this may resolve the problem and allow it to continue working. However, if the error appears again, it indicates that there is an issue that needs to be diagnosed and fixed.

Error codes on the display
Error codes on the display

Repair Cost

Control board replacing$380 — $480
Replacing the fuse on the control board$350 — $480
Error codes repairing process$220-$580

The price to repair an ice machine depends on factors such as the make and model, as well as the severity of the issue.

Contact Us For Any Ice Machine Repair Service

We’re ready to tackle any ice machine issue, whether it’s a small glitch or a major malfunction. If you’d rather not call, simply fill out the quick form below and schedule your ice machine repair with our experienced technicians today!

Call us today: (863) 594-1784
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    Teodor Appliance Repair delivers exceptional appliance repair services across Florida. Renowned for our dependability and dedication to excellence, we handle a broad spectrum of appliance maintenance. Our technicians are adept at diagnosing and fixing problems with refrigerators, dishwashers, washing machines, dryers, ovens, and more. For convenient location access, check us out on Google Maps using these links:

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