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. |
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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. |
