CrE
LG Washing Machine
Severity: ModerateWhat Does This Error Mean?
The CrE error on an LG washer indicates a current relay error. The control board monitors electrical current flowing through the motor drive circuit. When current falls outside the expected range — too high due to overload, or too low due to an open circuit — CrE is triggered. This is a protective error that stops the machine to prevent motor or board damage. It is most commonly caused by motor issues, wiring faults, or a failing control board.
Affected Models
- LG front-load and top-load washers with direct-drive motor systems
- WM3400CW
- WM3700HWA
- WM4000HWA
- WT7300CW
- WM8000HVA — LG inverter direct-drive models
Common Causes
- Motor current is too high — the drum is overloaded or a mechanical obstruction is causing the motor to draw excess current
- Motor winding has partially failed — abnormal current draw due to internal short or open in the motor
- Motor hall sensor or rotor position sensor has failed — the control board cannot correctly regulate motor current
- Wiring harness to the motor has a fault — broken wire or poor connection causes abnormal current readings
- Control board IGBT or motor driver circuit has failed — the board cannot correctly regulate or measure motor current
How to Fix It
-
Power cycle the washer. Unplug for 10 minutes and restart. CrE can occasionally be triggered by a momentary current spike — a power reset may clear a one-time event.
If CrE returns within the first few minutes of a new cycle, the fault is persistent and needs investigation.
-
Check the load size. Remove some laundry and try running the cycle with a smaller load. An overloaded drum causes the motor to draw excessive current. CrE may be triggered by an overload on certain cycle types, especially heavy spin cycles.
If CrE appears only with large loads, consistent overloading is likely shortening the motor's lifespan.
-
Manually rotate the drum by hand with the door open and the machine unplugged. The drum should turn smoothly with only light resistance. Stiffness, grinding, or a drum that will not turn indicates a mechanical jam or bearing failure that needs professional attention.
Do not attempt to force a jammed drum — this can damage the motor or bearings further.
-
Inspect the motor wiring harness if you are comfortable accessing the back panel. Look for any pinched, melted, or disconnected wiring at the motor connector. Reseat any loose connections.
The motor connector should push in firmly and click or lock in place. A connection that pulls out easily is not properly seated.
-
If the load is correct, the drum rotates freely, and CrE persists, contact a certified LG technician. Motor current faults require measuring actual current values with test equipment to confirm whether the motor, hall sensor, or control board is at fault.
LG direct-drive motors are generally reliable but hall sensors and board driver circuits are known failure points after extended use.
When to Call a Professional
CrE often requires professional diagnosis with specialized test equipment. Motor current issues involve components that are not safely accessible without appliance repair training. Expect $150 to $450 for motor or control board repair depending on the fault.
Frequently Asked Questions
Is CrE the same as LE on an LG washer?
They are related but different. LE indicates a general motor error — the motor is not responding correctly. CrE specifically points to a current relay fault — the current in the motor circuit is abnormal. Both can result from motor problems, but CrE more specifically implicates the drive electronics or current sensing.
Can CrE damage my LG washer permanently?
The error code is a safety measure designed to prevent permanent damage. If you address the root cause promptly — reducing overload or repairing the motor — no lasting damage should occur. Ignoring CrE and continuing to run cycles that trigger it will eventually damage the motor or control board.
How do I know if it is the motor or the control board causing CrE?
A technician can test motor resistance and hall sensor output to determine if the motor is at fault. If the motor tests correctly but CrE persists, the control board's motor driver circuit is the next suspect. Always confirm the motor is the fault before replacing the more expensive control board.