In a Whirlpool front-loading washer or dryer, an F58 error code indicates a problem with the communication between the main control board and the motor control board. When you open the door, it can cause a momentary disruption in the communication signal, and if there's a fault or issue in the circuit, it may lead to the F58 error and possibly blow the fuse.
Here are some possible reasons why the F58 fuse may blow when opening the door:
Electrical Spike: Sometimes, when you open the door, it can create a small electrical spike or surge in the system. If the control board or motor control board has weak components or damaged circuitry, this spike could lead to the fuse blowing.
Faulty Fuse: The fuse itself might be faulty or nearing the end of its lifespan. Fuses have a specific amperage rating and are designed to blow if the current exceeds that rating. Over time, fuses can weaken, and even small fluctuations in current could cause them to blow.
Worn Out Components: The control boards or other electrical components in the washer or dryer might be worn out or damaged. When you open the door, it could cause these components to momentarily lose connection or behave erratically, leading to the error code and fuse blowing.
Moisture or Corrosion: If there is moisture or corrosion on the electronic components or connectors, it can interfere with proper electrical communication and cause the F58 error code.
Short Circuit: A short circuit in the control board or motor control board can cause a sudden surge in current, leading to the fuse blowing.
If you encounter the F58 error and the fuse blows when opening the door, it's essential to unplug the appliance and avoid using it until the issue is diagnosed and repaired. Troubleshooting and repairing such electrical issues are best left to experienced technicians or professionals familiar with the specific washer or dryer model. They can inspect the control boards, circuits, and other components to identify the root cause of the problem and perform the necessary repairs or replacements to resolve the issue safely.