Routine Maintenance . 79
Changing the External Fuse
Very occasionally, a fuse may fail with age and will need to be changed.
NOTE: If fuses fail repeatedly, there is an electrical fault: disconnect the power supply
and contact your PerkinElmer Service Department.
There is one spare fuse in the fuse drawer. If you need more, order 2A, 250V Time Lag
fuses (0497 0839) from PerkinElmer. You must only replace the fuse with one of this type
and rating. Do not use makeshift fuses and do not short-circuit fuse holders.
WARNING
Before you begin this procedure, switch off the power to the
spectrometer, wait for 60 seconds, and disconnect the power cable.
This will protect you from electrical shock.
The external fuse drawer is located at the rear of the instrument between the power
switch and the power socket (Figure 26).
Figure 26 Fuse drawer closed
1. Lever out the fuse drawer so that it swings down over the power socket.
The fuse is in the right hand slot.
2. Remove the old fuse and discard it.
Fuse Drawer
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