Kenmore Dishwasher Error Codes

Complete Troubleshooting & Repair Guide

Water Supply Errors
i10
Water Inlet Issue
  • Check water supply valve is fully open.
  • Inspect inlet hose for kinks or blockage.
  • Clean inlet filter screen.
  • Test water inlet valve operation.
Drain System Errors
i20
Drain Blockage
  • Check drain hose for clogs or bends.
  • Clean filter and sump area.
  • Inspect drain pump for debris.
  • Replace pump if necessary.
Leak & Safety Errors
i30
Leak Detected
  • Inspect dishwasher base for water accumulation.
  • Check door gasket seal condition.
  • Look for loose hose connections.
  • Dry unit and reset after fixing leak.
Sensor Errors
i40
Pressure Sensor Fault
  • Inspect pressure sensor hose for blockage.
  • Check sensor wiring connections.
  • Clean or replace clogged air chamber.
  • Replace sensor if readings fail.
Motor System Errors
i50
Wash Motor Failure
  • Check circulation pump wiring.
  • Inspect motor for blockage or seizure.
  • Test motor resistance.
  • Replace wash motor if defective.
Heating System Errors
i60
Heating System Issue
  • Test heating element continuity.
  • Inspect thermal fuse and wiring.
  • Check control relay operation.
  • Replace heater if faulty.
Control System Errors
iC0
Control Board Error
  • Power cycle dishwasher (unplug 5–10 minutes).
  • Inspect PCB for damage or burns.
  • Check wiring harness connections.
  • Replace control board if issue persists.
Important: If error codes persist after troubleshooting, disconnect power and contact a certified Kenmore technician.