Alltion AC-1000 Serie Manual Del Usuario página 28

12 Troubleshooting
Trouble Check
Power switch indicator Not
light
Power switch indicator light
Illumination
failure
LED1 and LED2 on the
circuit board is light (blue)
LED1 and LED2 on the
circuit board is light(blue)
Use the diode gear of the
multimeter to touch the
positive and negative of the
LED supply line.
Adjust the dimming knob,
the brightness of the LED is
constant, or the brightness
of the LED varies only in a
darker range
Dimming fault
Observe the LED3 on the
circuit board: light
shiny (green)
Observe the LED3 on the
circuit board: not light
Colposcope
Head Keeps
Turning
Possible reason
Main power broken-down
Never switch on the power switch.
The adaptor has been melted
Illuminate brightness adjusting
button is in low position
The LED has burnt.
The LED has burnt or connection line
loosening
LED light shiny: circuit board damage
The LED not light: the circuit board
and the LED are damaged
Dimming potentiometer damage or
connection line loosening
Dimming potentiometer damage or
connection line loosening
the circuit board is damaged
The damping is not adjusted well or
unlocked
24
Remedy
Contact a local electrician
Switch on the power switch.
Replacing the adaptor
Adjust the button to the high
position
Contact the After-sales service
Dept.
Contact the After-sales service
Dept.
Contact the After-sales service
Dept.
Contact the After-sales service
Dept.
Contact the After-sales service
Dept.
Contact the After-sales service
Dept.
Tighten Gross Height
Adjustment and locking Knob