Leica Microsystems HM500 - Leica MLS500 Light Source

What To Do If...
48
Leica HM500/Ref. 10 715 697/Version B
Leica MLS500 light source
Problem Cause Solution
The Leica MLS500 light source is
not producing any light
Error message: "door open"
Error message: "fan1 fail"
Error message: "fan2 fail"
Error message: "fan2 lo"
Error message: "fan1 lo"
Error message: "bulb fail"
Error message: "replace bulb" and
Leica MLS500 light source
switches off
Error message: "hot"
➩ Check whether the power cable is
plugged into a working power socket.
➩ Ensure that the light source is switched on.
➩ Close and screw down the access
panel (102).
➩ Clear vent openings.
➩ Contact your Leica dealership.
➩ Clear vent openings.
The Leica MLS500 light source still
works, but should be sent for
maintenance as soon as possible.
➩ Change the lamp (see page 41).
➩ Check the electronics.
➩ Replace the lamp (see page 41).
➩ Reset the running-time meter
(see page 43).
➩ Clear vent openings.
➩ Reduce the ambient temperature.
➩ Allow the Leica MLS500 light source to
cool down.
Safety shut-off may not end until
the device has cooled down
below 30 °C.
No power supply
Access panel (102) is not fully
closed
Fan is defective or jammed
Fan no. X is turning too slowly
Lamp or electronics is defective
The bulb has come to the end of
its service life
Device is overheating