Introduction

The device's power cord breaks easily, stopping it from delivering power to the device. In this guide, we will test for power by using a voltmeter.

Make sure the device is unplugged before beginning disassembly!
  • Make sure the device is unplugged before beginning disassembly!

  • Lift the lid and bowl from the top of the device.

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Turn the device upside-down, so that the four legs of the device point upwards.
  • Turn the device upside-down, so that the four legs of the device point upwards.

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Each of the four legs has a rubber cushion on its bottom. For each cushion, insert a plastic opening tool between the plastic leg and rubber cushion, and pry off the rubber cushion.
  • Each of the four legs has a rubber cushion on its bottom. For each cushion, insert a plastic opening tool between the plastic leg and rubber cushion, and pry off the rubber cushion.

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Using a spanner screwdriver, remove the one 10mm long 7mm diameter spanner screw from the side of the brass panel.
  • Using a spanner screwdriver, remove the one 10mm long 7mm diameter spanner screw from the side of the brass panel.

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Using a Phillips screwdriver, remove the 10mm long 7mm diameter Phillips-head screws from the inside of all four legs.
  • Using a Phillips screwdriver, remove the 10mm long 7mm diameter Phillips-head screws from the inside of all four legs.

  • The smaller leg at the bottom is now loose and not attached to the device. Set it aside.

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Lift the brass plate off the device and set it aside.
  • Lift the brass plate off the device and set it aside.

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Color coordinating wire groups make it easier to identify the wire groups during reassembly. Inside the device, there are three junctions with wires joined by Phillips-head screws. The first is connected to two wires, and the other two are connected to three wires each.
  • Color coordinating wire groups make it easier to identify the wire groups during reassembly.

  • Inside the device, there are three junctions with wires joined by Phillips-head screws. The first is connected to two wires, and the other two are connected to three wires each.

  • Unscrew the screw at the junction near the opposite side of the device from the front panel.

  • Label each of the two wires at this junction with a single color of tape.

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Unscrew the screw at the junction just clockwise from the button panel. Label the three wires of this junction with tape of a second color.
  • Unscrew the screw at the junction just clockwise from the button panel.

  • Label the three wires of this junction with tape of a second color.

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Unscrew the screw from the wire junction just behind the front panel. Label the three wires at this junction with a third color of tape.
  • Unscrew the screw from the wire junction just behind the front panel.

  • Label the three wires at this junction with a third color of tape.

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During these steps, DO NOT touch the wires directly. You may be electrocuted.
  • During these steps, DO NOT touch the wires directly. You may be electrocuted.

  • Plug the device's power cord into a functioning outlet.

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Locate the two wires which are connected directly to the power cord. Unlike the other wires, they are sheathed in a particularly thick, dot-textured plastic.
  • Locate the two wires which are connected directly to the power cord. Unlike the other wires, they are sheathed in a particularly thick, dot-textured plastic.

  • Make sure the voltmeter is on and set to a setting beween 120 and 500V. For most voltmeters the proper setting for this is the 200V setting.

  • Attach one of the voltmeter's probes to the metal portions of each of the two wires connected to the power cord's end on the device

  • The voltmeter should read a number significantly above 20V. A reading between 100 and 150 V indicates that the device is getting enough power. A lower number indicates the power cord is broken.

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Conclusion

This guide alters no parts of the device, so no reassembly is needed from these steps.

Lillian Heng

Member since: 09/26/2014

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4 Guides authored

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Cal Poly, Team 12-1, Forte Fall 2014 Member of Cal Poly, Team 12-1, Forte Fall 2014

CPSU-FORTE-F14S12G1

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