How to fix F9.1 fault message on Candela pro series devices
First, we need to understand the causes of this fault F9.1 which is mainly because DI temperature is not in normal range after 60 minutes.
Now to the fix, how do we fix this problem easily?
- Turn off the laser system for 30 seconds and then restart the laser system
- If problem persists, contact Laser-Gulf service representative for system servicing