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ITC4000 Series
Instructions:
1. Power off the ITC4000 and disconnect the mains cable.
2. The fuse holder (R14, see Figure 62) is located below the 3-terminal power connector of
the mains jack (R10). Release the fuse holder by bending its two plastic retainers with the
aid of two small screwdrivers. The retainers must be pressed towards the center of the
fuse holder.
3. Replace the defective fuses (R15). We recommend changing both fuses, even if only one
fuse has opened. Press in the fuse holder into the mains jack until locked on both sides.
4. Switch on the unit. If it cannot be switched on, please contact your supplier or Thorlabs.
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© 2018 Thorlabs
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