Excessive foam visible in the tank and possibly leaking from the door, no error code.

Safety: Foam can hide hot water; use caution when opening the door.

• Stop cycle and drain: Cancel the program and drain the tank to remove foamy water.
• Rinse tank: Refill with clean water and run a short cycle without detergent to flush remaining foam.
• Use correct chemicals: Ensure only approved commercial dishwasher detergent and rinse aid are used.
• Adjust dosing: Reduce detergent and rinse aid dosing to manufacturer-recommended levels.