Leica DM IRB manual Additional fluorescence lamp does not respond, 106

Replacing the 12 V/100 W halogen lamp

n. b.:

Remember to disconnect from the mains! Leave the protective cover on until the lamp is inserted. Avoid making fingermarks, or wipe off immediately.

●Switch off the microscope and the power unit (if used).

●Disconnect the appliance cable of the microscope and the power unit.

●Disconnect the transmitted light illumination column from the power supply on the back of the microscope.

●Screw off the lamphousing with a 3 mm Allen key.

●Remove the faulty lamp.

Fig. 83 Lamphousing for transmitted light illumination 1 Cover, 2 Cover screws

●Insert the new lamp as far as it will go into the sockets of the lamp holder.

●Mount the lamphousing and screw down with a 3 mm Allen key.

●Reconnect the transmitted light illumination column to the power supply on the back of the stand.

●Connect the microscope and, if used, the power unit to the mains.

The additional fluorescence lamp does not respond.

●Make sure the cable connections lamp – pow- er unit – mains are correct and complete. Possible causes for the failure of the fluorescence lamp are: a defect fuse of the power unit, a defect lamp or a defect burner in the lamphousing.

Fig.Ê 84ÊLamphousingÊ for transmitted light illumination (cover removed)

1 Lamp holder (pin base) with 12 V 100 W halogen lamp, 2 Collector, 3 Heat protection filter

2 3

2
1	1

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