GE Washer Error Code CB (high)

The CB (high) code means the DC bus voltage inside the washer's motor drive circuit has exceeded the safe operating limit. The DC bus is an internal power rail that supplies the wash motor through the inverter board. The machine shuts down automatically to protect its electronics when this voltage goes too high. The first thing to check is whether the AC line voltage at your outlet is within the correct range.

No, you should not attempt to continue running the washer while this code is active. The error indicates an over-voltage condition that could damage the inverter board, motor, and other drive components if ignored. Stop using the machine until the root cause has been identified and corrected.

If the issue is simply high AC line voltage, the fix may involve no parts cost at all, just an electrician visit to assess your home wiring, which can range from around 75 to 200 dollars. If the inverter or motor control board needs replacement, parts and labor combined typically range from 150 to 400 dollars or more depending on the model and the technician's rates. A failing motor will generally cost more to replace, often in the 200 to 500 dollar range for parts and labor.

Checking the AC outlet voltage with a multimeter is a straightforward first step that many DIYers can handle safely. If the line voltage is correct, the fault likely points to the inverter or motor control board, which requires more advanced electrical knowledge to diagnose and replace. If you are not comfortable working with high-voltage circuits, it is best to contact a qualified appliance technician.

A reset may temporarily clear the code and allow the washer to restart, but if the underlying cause such as high line voltage or a failing inverter board is not resolved, the fault will return. Resetting without fixing the root cause risks further damage to the electronics. Always diagnose and correct the source of the problem before relying on a reset.