Bosch Dishwasher Error Code Er:01

Er:01 means the dishwasher control board is not receiving a signal from the door switch indicating that the door is closed and latched. This is a safety interlock condition that prevents the appliance from running. The issue can be as simple as a door that did not close fully, or it may point to a failed latch, switch, or wiring problem.

No. The Er:01 code prevents the dishwasher from operating as a deliberate safety measure, since running a cycle with an unlatched door could allow water to spray out and cause water damage or injury. Do not attempt to bypass the door switch interlock. Resolve the underlying latch or switch issue before using the appliance.

If only the door latch assembly needs replacement, parts typically range from $15 to $60 depending on the model, and the repair is often manageable as a DIY job. If a technician is needed, total repair costs including labor generally range from $80 to $200. A failed door switch is usually on the lower end of that range, while hinge or control board issues can push costs higher.

Start by firmly closing the door until you hear or feel the latch engage, then try restarting the cycle. If the error returns, inspect the latch assembly for wear or damage and check the wire harness connectors near the door switch for looseness or corrosion. If the latch and wiring appear intact, the door switch itself may need to be tested for continuity and replaced if it has failed.

A reset may clear the displayed error code temporarily, but the code will return as soon as you attempt to start a cycle if the door switch is still not being actuated. The root cause, whether a latch problem, a failed switch, or a wiring issue, must be corrected for the error to clear permanently.