1) Check if there is any black spot or disordering in diode laser stack.
If there is obviously black spot or disordering, we can confirm it is laser stact burnt. Please contact us to get new laser stack.
If there is no obiviouly abnorml in stack, please proceed to next step.
2) Replace to another same handle to see if it can working good or not. If with other same handle it working good, it means it is handle has problem. If with another handle still can not flashing, it means we need to open the shell to test machine inside. Please proceed to next step.
3) Check if the total shots of the diode laser handle is reached the limit value or not. (Our limit value is 40,000,000 shots)
If the software shows still not reached 40,000,000 shots, please proceed to next step.
If the software shows it is already over 40,000,000 shots, it means this handle has used up all shots.Please contact our sales manager to buy a new handle.