12
2.
Check microphone to see if it is good by tapping the microphone.
D.
One of the channels is not working well
1.
The stepper motor might be damaged or the cable connected to the PCB is broken.
2.
The motor’s drive IC on the PCB might be out of condition.
8. Fixture Cleaning
The cleaning must be carried out periodically to optimize light output. Cleaning frequency depends
on the environment in which the fixture operates: moist, smoky or particularly dirty surrounding can
cause greater accumulation of dirt on the fixture.
•
Clean with soft cloth using normal glass cleaning fluid.
•
Always dry the parts carefully.
•
Clean the external optics at least every 30 days.
