Vision Washer Error Code Er:04

Er:04 indicates a door actuation fault caused by either a defective triac or a stuck relay on the control board. Both components are responsible for switching power to the door lock actuator. The washer stops operation when this fault is detected to prevent running with an unsecured door. Repair requires addressing the control board directly.

No, you should not attempt to run the washer while this error is active. The door lock circuit is not functioning correctly, which means the washer cannot confirm the door is properly secured. Operating the machine in this state poses a risk of the door opening during a cycle.

Repair costs depend on whether you do the work yourself or hire a technician. A replacement control board typically falls in the range of $80 to $200 or more depending on availability and the specific model. Adding professional labor, total repair costs commonly range from $150 to $350 or higher.

The repair involves diagnosing and replacing the control board, which requires comfort working with appliance electronics and disconnecting power safely. Knowledgeable DIYers can often source and install a replacement control board, but if you are not comfortable identifying board components or working with electrical parts, a qualified technician is the safer choice.

A reset is unlikely to permanently clear Er:04 because the fault points to a hardware failure on the control board, specifically a triac or relay that has failed. Even if a reset temporarily clears the code, it will return once the washer attempts to actuate the door lock again. The underlying component failure must be corrected.