Digital Maxmatic disposal shows E11 and runs only at a very low speed or pulses on and off.

Safety first: Turn off power at the breaker before inspecting the unit.

• Check for mechanical drag: Ensure the impeller plate spins freely via the hex port. Mechanical resistance can cause the control to limit speed.
• Power reset: Turn off the breaker for 5 minutes, then restore power to clear any temporary logic fault.
• Listen for abnormal sounds: A buzzing or chattering relay from the control module indicates an internal electronic failure.
• Test under no load: Run the disposal briefly with no food and water only. If speed remains low and E11 persists, the control or motor is likely defective.

Variable speed control components are not typically serviceable at home; replacement of the Maxmatic control module or entire disposal is usually required.