Replacing Fuses - QBC Diagnostics Star Operators & Service Manual

Replacing Fuses

BEFORE BEGINNING TO CHANGE THE FUSES, MAKE SURE THE UNIT'S POWER
IS TURNED OFF AND DISCONNECT THE INSTRUMENT POWER CORD FROM THE
There are two fuses in the power entry module. The fuses are located in a holder just above the power
cord plug. See Figure 23.
These fuses are: Diameter 5 x 20 mm F3.15A/250V
To replace the fuses:
1 Lift the small tab at the bottom of the fuse holder with a thumbnail or small screwdriver.
2 Slide the fuse holder out of the instrument.
3 Remove the fuses and examine the fuse elements to see which of the fuses has blown. You only
have to replace the blown fuse(s).
4 Make sure the good fuses are the same voltage and current rating as the bad ones.
5 Place the good fuses back in the holder, and slide the holder back into the power module. Make
sure the holder CLICKS into place.
6 Reconnect the power cord and turn instrument power back on.
L–000867(A)
WARNING
POWER SOURCE.
Indicated by the symbol:
Figure 23 – Replacing Fuses
6 – Maintenance
F
250 V 3.15A
6–3