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