Step 1
This step verifies whether the 7208 Tape Drive is receiving electrical power and the
fan is operating properly.
1.
Make sure that the 7208 Tape Drive power cable is plugged into an electrical
outlet.
2.
Make sure that the 7208 Tape Drive power is on by checking that:
v
The power-on light is on.
v
There is airflow from the fan at the rear of the unit.
Is the power-on light on and is there airflow from the fan?
NO
While watching for the power-on light to come on, press the power switch
again. Repeat this procedure several times. If the power-on light fails to
come on or if there is no airflow from the fan, go to Step 2.
YES
Go to Step 8.
Step 2
This step tests the voltage at the electrical outlet.
1.
Do a controlled system shutdown (refer to the instructions in Chapter 2,
“Setting Up the 7208 Tape Drive,” in the 7208 Model 345 8mm Tape Drive Setup
and Operator Guide).
2.
Ensure that the power to the host system is off.
3.
Press the 7208 Tape Drive power switch to turn off the power.
4.
Unplug the 7208 Tape Drive power cable from the electrical outlet and from the
7208 Tape Drive.
5.
Measure the voltage at the electrical outlet.
Is the voltage from the electrical outlet correct?
NO
Contact your service personnel for further instructions.
YES
Go to Step 3.
Step 3
This step determines whether the power cable is functional.
Make sure that all of the conductors in the power cable have continuity, and that
there are no short circuits.
Does the power cable have continuity and are there no short circuits?
NO
Replace the power cable, then go to Step 1.
YES
Go to Step 4.
Chapter 3. Maintenance Analysis Procedures
19
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