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package. Pay attention to moisture and vibration. If the instrument is to be stored for a long period, it
shall be cleaned and put into the package and kept in a dry and well ventilated store room without
any corrosive chemicals. The relative humidity of the room shall not exceed 80% and the
temperature shall be controlled in the range of -40 ° C - 55 ° C without any temperature shock.
10. Trouble-shooting Guide
In case there is any trouble, please first refer to the trouble-shooting guide. If it still cannot work,
please contact the authorized distributor.
Trouble
Possible reason
Remedy
No working
Power supply adapter is not connected
Connect the power supply adapter
No switch on the main power
Switch on the main power
Main power is broken-down
Contact a local electrician
Illumination
does not light
The LED lamp is not connected correctly
Connect again
No switch on the main power
Switch on the main power
Main power is broken-down
Contact a local electrician
Electric parts are broken-down
Contact the authorized distributor
The bulb is burnt
Replace the spare bulb
11. Fault Checking and Solution for LED illumination System.
After installation, power-
on test according to user’s manual, or during using operation microscope, find
no light, please check according to the following steps:
11.1 Connect power supply adapter to power supply and power supply box. By this time, the indicator
light of power supply adapter is always on. Turn on the power switch on the power box. The power input
is normal if the switch indicator is on. The power input is abnormal if the switch indicator is off, please
check: A. Connection of the power supply adapter again. B. Where the power supply adapter is
damaged, if yes, please replace.
11.2 When the switch indicator is on, turn brightness control knob to the maximum, and checks the
