User guide

2.2 Contacting Digital™ Services
WARNING
Only authorized service personnel should service this
equipment.
If you have followed the procedure in this chapter but the problem remains
unsolved, your Digital services representative can help you. Before you place
your call, follow these steps:
1. Write down a description of the problem, including the error messages and
the number of the self-tests that failed.
2. Look at the status LED display on the back of the system unit and write
down the numbers of the LEDs that are on (see Figure 2–1 and Table 2–1).
3. List the steps you have taken to correct the problem and the results you
got.
4. Write down the serial and model numbers of the system unit and any
connected peripheral devices. These numbers are usually printed on a
label on the back of the device.
2–8 Diagnostic Tests and Commands