This guide explains all Haier Dishwasher error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.
E1
Water Inlet Timeout
- Check if water supply tap is open.
- Inspect inlet hose for kinks or blockage.
- Clean inlet filter screen.
- Verify water pressure is sufficient.
E2
Drain Timeout
- Clean drain filter and sump area.
- Check drain hose for blockage or bending.
- Inspect drain pump operation.
- Replace pump if not functioning.
E3
Heating Element Issue
- Test heating element resistance.
- Inspect wiring connections.
- Check control board output.
- Replace heating element if faulty.
E4
Overflow Protection Activated
- Check for water leakage inside unit.
- Inspect float switch operation.
- Clean base tray if water is present.
- Reset dishwasher after drying.
E5
Water Temperature Sensor Fault
- Inspect thermistor wiring connection.
- Test temperature sensor resistance.
- Check for corrosion or damage.
- Replace sensor if readings are abnormal.
E6
Water Turbidity Sensor Error
- Clean turbidity sensor lens area.
- Check for detergent buildup.
- Inspect wiring connection.
- Replace sensor if faulty.
E7
Heating Circuit Malfunction
- Inspect heater relay and wiring.
- Check PCB control signals.
- Test continuity of heating circuit.
- Replace control board if needed.
E8
Water Level Sensor Failure
- Inspect pressure sensor hose.
- Check wiring connections.
- Clean any blockage in sensor tube.
- Replace sensor if defective.
E9
Water Fill Level Exceeded
- Turn off water supply immediately.
- Check inlet valve for sticking open.
- Inspect float switch operation.
- Replace inlet valve if necessary.
E10
Wash Pump Failure
- Inspect wash pump for obstruction.
- Check wiring harness connections.
- Test motor resistance.
- Replace wash pump if faulty.
E11
Spray Arm Blocked
- Remove food particles from spray arms.
- Ensure spray arms rotate freely.
- Clean spray nozzles thoroughly.
- Reinstall spray arms correctly.
E12
Door Not Closed Properly
- Close the dishwasher door firmly.
- Inspect latch mechanism.
- Check door alignment.
- Replace latch assembly if faulty.
E13
Door Lock Switch Fault
- Inspect door switch wiring.
- Test switch continuity.
- Check lock mechanism movement.
- Replace switch if defective.
E14
Drain Pump Electrical Fault
- Check pump wiring and connectors.
- Inspect for loose connections.
- Test drain pump resistance.
- Replace pump if electrically faulty.
E15
Leak Detection Activated
- Inspect hoses and seals for leaks.
- Dry water from base tray.
- Check float switch operation.
- Repair leak source before restarting.
E16
Inlet Valve Failure
- Verify water supply pressure.
- Inspect valve filter screen.
- Test valve coil continuity.
- Replace inlet valve if defective.
E17
Control Board Communication Error
- Power cycle the dishwasher.
- Inspect wiring between modules.
- Check for moisture on PCB.
- Replace control board if needed.
E18
Memory Configuration Fault
- Disconnect power for 10 minutes.
- Restart dishwasher.
- Check PCB for damage.
- Replace control board if error persists.
E19
Detergent Dispenser Failure
- Inspect dispenser mechanism.
- Clean detergent residue buildup.
- Check actuator motor operation.
- Replace dispenser assembly if required.
E20
Drying Fan Failure
- Inspect drying fan blades.
- Check motor wiring connections.
- Verify fan operation during drying cycle.
- Replace fan motor if faulty.
PF
Power Failure Detected
- Check household power supply.
- Inspect outlet and circuit breaker.
- Reset dishwasher after outage.
- Use surge protection if needed.
888
Control Board Initialization Error
- Disconnect power for 10 minutes.
- Inspect PCB connections.
- Check for moisture or burn marks.
- Replace control board if error persists.