When

Blown fuses

Parts required

Fuses (2 fuses, 3.15 AT, 250 V AC, slow-blow, 5 x 20 mm) from Fuses Kit

Tools required

Slotted screwdriver, any size between 3.3 mm and 5.5 mm is appropriate

Preparations

WARNING

Electric Shock

High voltages are present inside the device that could cause an electric shock or damage to the device.

  • Turn off the device with its main power switch. Disconnect the power cord from both the power source and the device.
  • Use only the fuses of the type and current rating specified for the device by Thermo Fisher Scientific.
  • Do not use repaired fuses and do not short-circuit the fuse holders.

Follow these steps

The fuse holder is located next to the main power switch.

Fuse holder
Figure: Fuse holder

No.

Description

1

Main power switch (on/off control)

2

Fuse holder

3

Power-inlet connector

  1. Use the screwdriver to remove the fuse holder.

  2. Replace the two fuses with new fuses of the specified type and current rating. Always replace both fuses.

  3. Reinstall the fuse holder.

  4. Reconnect the power cord to the power source and to the device.

  5. Turn on the device with the main power switch.