LG Dishwasher Error Codes

Complete LG Dishwasher Guide

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

IE
Water Inlet Error
  • Check that the water supply valve is fully open.
  • Inspect the inlet hose for kinks or blockages.
  • Clean the inlet filter screen.
  • Verify adequate household water pressure.
OE
Drainage Failure
  • Inspect the drain hose for clogs.
  • Clean the dishwasher filter assembly.
  • Check drain pump operation.
  • Restart the dishwasher after cleaning.
LE
Motor Lock Error
  • Disconnect power for several minutes.
  • Inspect wash motor wiring connections.
  • Check for debris restricting pump movement.
  • Restart the wash cycle.
FE
Water Overflow Error
  • Turn off the water supply immediately.
  • Inspect the inlet valve for leaks.
  • Check float switch operation.
  • Remove excess water from the tub.
HE
Heating System Error
  • Inspect heating element wiring.
  • Check thermostat and temperature sensors.
  • Verify correct power supply.
  • Replace faulty heating components if needed.
AE
Leakage Detected
  • Inspect hoses, seals, and door gasket.
  • Check the dishwasher base for water accumulation.
  • Dry affected areas completely.
  • Repair leaks before restarting.
TE
Temperature Sensor Error
  • Inspect the thermistor connection.
  • Check wiring harness for damage.
  • Reset power to the dishwasher.
  • Replace the sensor if faulty.
E1
Water Leakage Error
  • Disconnect power immediately.
  • Inspect internal hose connections.
  • Check the base tray for standing water.
  • Repair leaks before use.
E3
Drain Pump Issue
  • Clean the drain filter thoroughly.
  • Inspect the pump for obstructions.
  • Verify proper drain hose installation.
  • Restart the dishwasher cycle.
PF
Power Failure Detected
  • Check household electrical supply.
  • Inspect the circuit breaker.
  • Restart the dishwasher.
  • Avoid using unstable outlets.
NE
Diverter Motor Error
  • Inspect diverter motor wiring.
  • Check spray arm movement.
  • Clean the wash system components.
  • Replace the motor if necessary.
CD
Cool Dry Mode Active
  • This is a normal operating message.
  • The drying cycle is currently active.
  • Allow the cycle to finish.
  • No repair is required.
CL
Child Lock Enabled
  • Press and hold the Child Lock button.
  • Wait for the lock indicator to disappear.
  • Refer to control panel instructions if needed.
  • Resume normal operation.
nE
Vario Motor Error
  • Turn off power to the dishwasher.
  • Inspect diverter motor connections.
  • Check spray arm assemblies for obstructions.
  • Restart the dishwasher after inspection.
bE
Detergent Usage Error
  • Use only dishwasher-approved detergent.
  • Avoid overfilling detergent compartments.
  • Remove excess foam from the tub.
  • Run a rinse cycle.
tE1
Thermistor Error
  • Reset power to the dishwasher.
  • Inspect temperature sensor wiring.
  • Check connectors for damage.
  • Replace the thermistor if defective.
tE2
Water Temperature Sensor Fault
  • Disconnect power for several minutes.
  • Inspect sensor connections.
  • Check for corrosion or loose terminals.
  • Replace the sensor if necessary.
CE
Current Error
  • Turn off the dishwasher immediately.
  • Inspect electrical wiring connections.
  • Check the wash motor for faults.
  • Contact service if the error returns.
PE
Water Level Sensor Error
  • Inspect the water level sensor.
  • Check sensor wiring connections.
  • Remove debris around the sensor.
  • Replace the sensor if faulty.
F
Excessive Water Fill
  • Turn off the water supply.
  • Inspect the inlet valve operation.
  • Check float switch movement.
  • Restart after resolving the issue.
No Water
Water Supply Problem
  • Verify the water tap is fully open.
  • Inspect the inlet hose for restrictions.
  • Check household water pressure.
  • Clean the inlet screen filter.
Door
Door Not Properly Closed
  • Open and firmly close the door.
  • Inspect the latch mechanism.
  • Check for obstructions around the seal.
  • Restart the wash cycle.
LOC
Control Panel Locked
  • Press and hold the lock button.
  • Wait for the lock indicator to clear.
  • Follow unlock instructions if needed.
  • Resume normal dishwasher operation.

Frequently Asked Questions


What does LG dishwasher error code IE mean?
IE indicates a water inlet error. Check the water supply valve, inlet hose, filter screen, and household water pressure.
How do I fix LG dishwasher OE error?
OE indicates a drain error. Inspect the drain hose, clean the filter, check the drain pump, and remove any blockages.
What does LE error mean on an LG dishwasher?
LE indicates a motor or circulation pump issue. Turn off power, inspect the wash motor and pump area, then restart the dishwasher.
Can LG dishwasher errors reset automatically?
Some error codes may clear after disconnecting power for 5–10 minutes and restarting the dishwasher.
Why does my LG dishwasher keep showing error codes?
Recurring error codes are commonly caused by clogged filters, faulty sensors, drainage problems, water supply issues, or electrical faults.
What is the most common LG dishwasher error code?
IE (Water Inlet Error) and OE (Drain Error) are among the most common LG dishwasher error codes reported by users.
Can I continue using my LG dishwasher when an error code appears?
It is not recommended. Continuing operation may lead to poor cleaning performance, water leaks, or damage to internal components.
When should I call a technician for LG dishwasher errors?
Contact a technician if the error involves the motor, control board, leak detection system, heating system, or if the code returns after troubleshooting.
Why is my LG dishwasher not filling with water?
Check that the water supply valve is open, inspect the inlet hose for kinks, clean the inlet filter screen, and verify adequate water pressure.
Why is my LG dishwasher not draining properly?
Inspect the drain hose, clean the filter assembly, check the drain pump, and ensure there are no blockages in the drainage system.
Why is my LG dishwasher leaking water?
Inspect door gaskets, water hoses, pump seals, and the dishwasher base for signs of leakage. Repair damaged components before use.
How do I reset my LG dishwasher?
Turn off power to the dishwasher for 5–10 minutes, restore power, and restart a wash cycle to clear temporary faults.
Important: If the error persists after troubleshooting, disconnect power and contact a qualified LG appliance technician. Continuing operation with active faults may cause additional damage to the dishwasher.