Replacing fuses
220 V–240 V range:
two 5-A fuses, slow blow
100 V–110 V range:
two 10-A fuses, slow blow
➩Remove cover (1) with screwdriver.
➩Remove fuses (2) from the fasteners and replace them.
2
Operational check
Illumination
➩Switch on the power switch.
➩Check main illuminator and backup illuminator.
➩Switch back to main illuminator and switch off illumination.
Footswitch
➩Position footswitch.
➩Test all functions with the footswitch.
1
Leica M500 OH3 / Ref. 10 711 894 / Version -
Always allow the main and backup illuminators to
remain lit for at least five minutes, otherwise the
lighting capacity will be quickly reduced.
Care and maintenance
39