If the LED lamp blinks, or [CH00] appears on the display, you should check the product.
Inspection code of the product indicates that temporary error may take place because of unstable power supply, or other electric causes.
Try this.
Turn the power cord off or trip the dedicated circuit breaker of the product, and then reset the breaker approximately 5 minutes later.
If identical symptom or inspection code persists, have the service technician precisely check the product.
➔ How to check error code
The first LED indicates error at the first digit.
The second LED indicates error at the 10th digit.
(Example: The first LED blinking five times at regular interval stands for error CH05.)
This guide was created for all models, so the images or content may be different from your product.