The details are as below:
①.. Non-recoverable error, the indicator flickers several times, then persistent
lighting. The times of flickering means the error type,
ERROR Indicator Flickering
Type
LED Flikers once:Internal memory
reading and writing error
LED Flikers twice:over-voltage
LED Flikers three
times:under-voltage
LED Flikers four times: CPU
execution error (wrong address)
LED Flikers five times: UIB error
LED Flikers six times: FLASH
writing error
LED Flikers seven times: parameter
writing error
LED Flikers eight times:
Temperature testing circuit error
②. Recoverable error, indicator flickers constantly, then persistent off for one period.
ERROR Indicator Flickering
Type
LED Flikers once:Cutter
position error
③. Auto-recoverable error, indicator flickers constantly, including printing head
over-heat error and upper case cover opening error during printing.
ERROR Indicator Flickering
Type
LED Flickers constantly: printing head
over-heat; upper case cover opening
error during printing