This guide explains all Kenmore Dishwasher error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.
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.
i20
Drain Blockage
- Check drain hose for clogs or bends.
- Clean filter and sump area.
- Inspect drain pump for debris.
- Replace pump if necessary.
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.
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.
i50
Wash Motor Failure
- Check circulation pump wiring.
- Inspect motor for blockage or seizure.
- Test motor resistance.
- Replace wash motor if defective.
i60
Heating System Issue
- Test heating element continuity.
- Inspect thermal fuse and wiring.
- Check control relay operation.
- Replace heater if faulty.
i70
Temperature Sensor Error
- Inspect thermistor wiring connections.
- Check sensor resistance values.
- Clean sensor terminals.
- Replace thermistor if defective.
i80
Control Configuration Error
- Disconnect power for several minutes.
- Inspect control board connections.
- Check for damaged wiring harnesses.
- Replace control board if needed.
i90
Communication Failure
- Power cycle the dishwasher.
- Inspect communication wiring.
- Check control module connections.
- Replace faulty electronic components.
iA0
Spray Arm Blocked
- Check spray arms for obstructions.
- Remove food particles or debris.
- Ensure spray arms rotate freely.
- Clean spray arm nozzles thoroughly.
iB0
Turbidity Sensor Fault
- Clean the turbidity sensor.
- Inspect sensor wiring connections.
- Run a cleaning cycle.
- Replace sensor if error remains.
iC0
Control Board Error
- Power cycle dishwasher for 5–10 minutes.
- Inspect PCB for visible damage.
- Check all wiring harness connections.
- Replace control board if issue persists.
iD0
Door Switch Error
- Ensure the door closes completely.
- Inspect latch and door switch.
- Check wiring to door lock assembly.
- Replace faulty switch if necessary.
iF0
Overfill Condition
- Turn off water supply immediately.
- Inspect pressure sensor and hose.
- Check inlet valve for sticking open.
- Replace defective water level components.
ER01
Water Level Sensor Failure
- Inspect the water level sensor for damage.
- Check sensor wiring connections.
- Clean any debris from the sensor area.
- Replace the sensor if faulty.
ER02
Water Fill Timeout
- Verify household water supply pressure.
- Check inlet valve operation.
- Inspect inlet hose for restrictions.
- Clean inlet filter screens.
ER03
Drain Timeout
- Inspect drain hose for blockage.
- Clean the drain filter assembly.
- Check drain pump operation.
- Remove debris from sump area.
ER04
Float Switch Activated
- Check for water accumulation in the base.
- Inspect float switch movement.
- Locate and repair any leaks.
- Reset the dishwasher after drying.
ER05
Circulation Pump Error
- Inspect circulation pump for blockage.
- Check motor wiring connections.
- Test pump resistance.
- Replace pump if defective.
ER06
Water Temperature Fault
- Check incoming water temperature.
- Inspect thermistor operation.
- Verify heater functionality.
- Replace faulty components as needed.
ER07
Door Latch Failure
- Inspect door latch assembly.
- Ensure door closes securely.
- Check latch switch wiring.
- Replace defective latch mechanism.
ER08
Detergent Dispenser Error
- Inspect dispenser door movement.
- Remove detergent buildup.
- Check dispenser actuator.
- Replace dispenser assembly if needed.
ER09
Fan Motor Failure
- Inspect drying fan for obstructions.
- Check motor wiring connections.
- Test fan motor operation.
- Replace faulty fan assembly.
ER10
Drying System Error
- Check drying fan operation.
- Inspect heating components.
- Verify control board output.
- Replace failed drying components.
ER11
Turbidity Sensor Communication Error
- Clean the turbidity sensor.
- Inspect sensor wiring harness.
- Reconnect loose connectors.
- Replace sensor if communication fails.
ER12
Memory Configuration Error
- Disconnect power for several minutes.
- Restart the dishwasher.
- Check control board connections.
- Replace control module if required.
ER13
Voltage Supply Error
- Verify outlet voltage.
- Avoid extension cords.
- Inspect power cord condition.
- Use a stable power source.
ER14
Wash Cycle Interrupted
- Check for power interruptions.
- Ensure door remains closed.
- Restart the selected cycle.
- Monitor for recurring faults.
ER15
Electronic Control Failure
- Power cycle the dishwasher.
- Inspect control board for damage.
- Check all harness connections.
- Replace electronic control if needed.