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7. Check for alterations or attachments. If there are any, check for obvious safety
hazards such as broken wires, sharp edges, or broken insulation.
8. Check the internal cables for damage.
9. Check for dirt, water, and any other contamination within the system unit.
10. Check the voltage switch on the back of the system unit to ensure that it
matches the voltage at the outlet (Model 140 and M240. only.)
11. Check the external power cable for damage.
12. With the external power cable connected to the system unit, check for 0.1 ohm
or less resistance between the ground lug on the external power cable plug and
the metal frame.
13. Perform the following checks on each device that has its own power cables:
a. Check for damage to the power cord.
b. Check for the correct grounded power cable.
c. With the external power cable connected to the device, check for 0.1 ohm or
less resistance between the ground lug on the external power cable the
metal frame of the device.
14. Install the covers.
Chapter 1. Reference Information 1-23