Zeiss Axio Observer 7 - Changing the Fuses in the Ballast Unit for the HBO 100

CARE, MAINTENANCE, TROUBLESHOOTING AND SERVICE
Axio Observer Maintenance ZEISS
12/2016 431004-7244-001 179
6.2.4 Changing the fuses in the ballast
unit for the HBO 100
Pull out the power plug before
changing fuses.
The fuse holder for the F1 and F2 fuses is located
on the rear of the ballast unit. The fuse holder is
integrated into the power socket and contains two
T 2.0 A/H 250 V 5 x 20 mm fuses.
If the device fuses fail the cause must first of all be
ascertained and technical problems properly
remedied.
• Pull out the power plug.
• Remove the fuse holder (Fig. 166/1) from the
fuse compartment (Fig. 166/2) by pulling it
towards you.
• Replace the defective fuse.
• Reinsert the fuse holder into the fuse
compartment until it clicks into place.
• Plug in the power plug.
Fig. 166 Changing fuses in the ballast unit
(power supply unit)