Hitachi Washer Error Codes

Complete Hitachi Washer Guide

This guide explains all Hitachi Washer error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

C01
Water Supply Issue
  • Ensure water faucet is fully open.
  • Inspect inlet hose for blockage or kink.
  • Clean inlet filter screen.
  • Test inlet valve operation.
C02
Drain System Blockage
  • Check drain hose for clog or bending.
  • Clean pump filter thoroughly.
  • Inspect drain pump operation.
  • Remove any foreign objects.
C03
Door Lock Failure
  • Ensure door is fully closed.
  • Inspect latch and lock mechanism.
  • Check wiring connection.
  • Replace door lock if needed.
C04
Motor Malfunction
  • Check drum for obstruction.
  • Inspect motor wiring.
  • Test motor resistance.
  • Replace motor if faulty.
C05
Water Overflow Protection
  • Turn off water supply immediately.
  • Inspect pressure sensor tube.
  • Check inlet valve for sticking.
  • Reset system after inspection.
C06
Temperature Sensor Fault
  • Inspect thermistor wiring.
  • Test resistance with multimeter.
  • Check for corrosion or moisture.
  • Replace sensor if needed.
C07
Heating System Failure
  • Test heating element continuity.
  • Inspect wiring harness.
  • Check thermal fuse condition.
  • Replace heater if faulty.
C08
Spin Motor Error
  • Redistribute laundry load.
  • Check drum balance.
  • Inspect motor drive system.
  • Replace motor if needed.
C09
Pressure Sensor Fault
  • Check pressure hose for blockage.
  • Inspect air chamber tube.
  • Test sensor signal output.
  • Replace pressure switch if faulty.
C10
Control Board Communication Error
  • Restart washer system.
  • Inspect wiring harness connections.
  • Check PCB for damage.
  • Replace control board if needed.
C11
Unbalanced Load Detection
  • Redistribute clothes evenly.
  • Reduce heavy load size.
  • Check drum suspension system.
  • Restart spin cycle.
C12
Power Supply Instability
  • Check outlet voltage stability.
  • Inspect circuit breaker.
  • Use surge protector.
  • Restart after stable power.
C13
Foam Overload Detected
  • Reduce detergent usage.
  • Use HE (low-foam) detergent.
  • Run rinse cycle again.
  • Clean drum if foam persists.
C14
Voltage Fluctuation Error
  • Check household power supply.
  • Install voltage stabilizer.
  • Avoid shared heavy appliances.
  • Restart system after stable voltage.
C15
Water Leakage Detected
  • Inspect hoses and connections.
  • Check door seal condition.
  • Ensure detergent drawer is closed properly.
  • Repair leak source immediately.
C16
Control Panel Key Error
  • Clean control panel surface.
  • Check for stuck buttons.
  • Reset washer system.
  • Replace keypad if unresponsive.
C17
Motor Overheat Protection
  • Allow motor to cool down.
  • Reduce load size.
  • Check ventilation around unit.
  • Inspect motor if overheating repeats.
C18
Inverter Board Failure
  • Check inverter PCB connections.
  • Inspect for burnt components.
  • Reset power supply.
  • Replace inverter board if faulty.
C19
Drain Pump Motor Failure
  • Inspect pump for blockage.
  • Check wiring connection.
  • Test pump motor operation.
  • Replace pump if not working.
C20
Water Level Calibration Error
  • Check pressure sensor calibration.
  • Inspect air tube for leaks.
  • Reset machine system.
  • Replace sensor if calibration fails.

Frequently Asked Questions


Why is my Hitachi washer not starting?
Check the power supply, ensure the door is fully closed, and verify that the Child Lock is not activated. Reset the washer by unplugging it for a few minutes.
Why is my Hitachi washer not filling with water?
Ensure the water tap is fully open. Check the inlet hose for kinks or blockages and clean the inlet filter screen. Inspect the water inlet valve if the issue continues.
Why is my Hitachi washer not draining water?
Check the drain hose for clogs or bends. Clean the drain filter and inspect the drain pump for blockages or failure.
Why is my Hitachi washer not spinning properly?
An unbalanced load is the most common cause. Redistribute clothes evenly, reduce heavy items, and restart the spin cycle.
Why is my Hitachi washer leaking water?
Inspect door seal, hoses, and detergent drawer for leaks. Ensure the washer is level and not overloaded.
Why is my Hitachi washer making loud noise?
Check for unbalanced laundry, foreign objects in the drum, or worn bearings. Ensure the washer is placed on a flat and stable surface.
Why does my Hitachi washer stop mid-cycle?
This may be due to power fluctuations, overload protection, or water supply issues. Check power stability and restart the cycle.
Why is my Hitachi washer door not opening?
Wait until the cycle is fully complete and water is drained. If still locked, perform a reset or check the door lock mechanism.
Why does my Hitachi washer display errors or freeze?
This may be caused by control board glitches or sensor issues. Restart the washer and check for persistent faults.
Why is my Hitachi washer taking too long to wash?
Overloading, low water pressure, or clogged filters can slow the cycle. Clean filters and reduce load size.
Why is my Hitachi washer not rinsing properly?
Check water supply pressure, inlet valve condition, and detergent usage. Too much detergent can also affect rinsing.
Why is my Hitachi washer vibrating excessively?
Ensure the washer is level. Redistribute clothes evenly and check if transit bolts were removed during installation.
Why is my Hitachi washer showing a burning smell?
This may indicate motor strain or belt issues. Stop using the washer and allow it to cool before inspection.
Why does my Hitachi washer restart by itself?
Unstable power supply or control board malfunction may cause this. Check the outlet and reset the washer.
How do I reset my Hitachi washer?
Turn off the washer, unplug it for 5–10 minutes, then reconnect power and restart the cycle.
Important: If the error code continues after troubleshooting, disconnect power immediately and contact a certified GE technician.