Liemke LUCHS–1 Bedienungsanleitung Seite 38

12. CHARGING AND LOW BATTERY WARNING
Use the supplied USB-C cable and charger to charge the device. During charging,
a red indicator LED between the MENU and DOWN buttons is visible. When charging
is complete, the indicator light changes from red to green. Unplug the device after
charging is complete. The battery symbol at the bottom of the display shows the
charging status from full (five bars) to almost empty (red with one bar).
13. MAINTENANCE
Maintenance should be carried out at least twice a year and consist of the following
actions:
> Wipe the external surfaces of metal and plastic parts free of dust and dirt with a
cotton cloth.
> Clean the contacts of the unit with isopropanol if necessary.
> Check the glass surfaces of the eyepiece and the lens. If necessary, remove dust
and sand from the lenses (preferably using a non-contact method).
14. TROUBLESHOOTING
This overview lists all the problems that can occur when using the unit.
> Carry out all recommended checks as described in the table.
> If an error occurs that is not listed in the table or if you cannot rectify an error yourself,
please contact Liemke Service. You can find the contact details here:
https://liemke.shop/de/Reparatur-und-Service/
Malfunction
The thermal imager
cannot be switched on. In
the starting process, the
LUCHS -1 switches off again
after the start logo has been
displayed.
Can't be powered by an
external power source.
Possible reason
Batteries are too weak.
USB cable is damaged. Replace USB cable.
Correction
Load the internal battery for half an hour
before switching on again. After an initial
loading the device can be powered on
when loading e.g. with a power bank.