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Fuses

If any of the three power Diagnostics LEDs (i.e., +5 V, +15 V, –15 V) on the front panel, shown in Figure 1, fails to illuminate when the system is turned On, a fuse may be blown.

Figure 1: Power Supply LEDs on the Front of the NanoScope V Controller

To replace the fuse, complete the following:

  1. Toggle the Power switch to Off, and unplug the system power.
 
  1. Replace the fuse with the proper fuse indicated in the table on the back of the NanoScope V Controller and reproduced in Table 1. The fuses are located in black oval housings mounted diagonally and placed in a column to the right of the power cord and the On/Off switch and to the left of the fuse rating table.
Fuse 100 V 120 V 240 V
1 2.5 A 2.5 A 2.0 A
2 800 mA 800 mA 400 mA
3 800 mA 800 mA 400 mA
4 10 A 10 A 6.3 A
ALL FUSES: 250 V SLOW BLOW

Table 1: Fuse Ratings

 
  1. Connect the system power and toggle the Power switch to On.
NOTE: If the problem persists, contact Bruker to determine which system components to return for repair.

 

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