Service Inspection Guide
Perform a service inspection on the system when:
v The system is inspected for a maintenance agreement.
v Service is requested and service has not recently been performed.
v An alterations and attachments review is performed.
v Changes have been made to the equipment that may affect the safe operation of the
equipment.
v External devices with their own power cables have those cables attached.
If the inspection indicates an unacceptable safety condition, the condition must be
corrected before anyone can service the machine.
Note: The correction of any unsafe condition is the responsibility of the owner of the
system.
Perform the following checks:
1. Check the covers for sharp edges and for damage or alterations that expose the
internal parts of the system unit.
2. Check the covers for proper fit to the system unit. They should be in place and
secure.
3. Ensure that the rack stabilizer is installed and securely attached to the rack.
4. Perform the appropriate power-off procedures.
5. Open the covers.
6. Check for alterations or attachments. If there are any, check for obvious safety
hazards such as broken wires, sharp edges, or broken insulation.
7. Check the internal cables for damage.
8. Check for dirt, water, and any other contamination within the system unit.
9. Check the voltage label on the back of the system unit to ensure that it matches
the voltage at the outlet.
10. Check the external power cable for damage.
11. 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.
12. 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 and the
metal frame of the device.
13. Close the doors.
14. Perform the appropriate power-on procedures.
72 Service Guide
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