HP 7925D Service Manual page 84

Troubleshooting
Refer to blower troubleshooting flowchart,
fig. 4·2.
Refer to DRIVE FAULT indicator trouble-
shooting flowchart, fig. 4-3
Check +5V power supply. Refer to para-
graph
4-3.
Refer to door unlocked solenoid trouble-
shooting flowchart, IIg. 4-13
Refer to DOOR UNLOCKED indicator
troubleshooting flowchart, fig. 4-14.
Refer to Unit Select indicator troubleshooting
flowchart, fig. 4-15.
Refer to READ ONLY indicator trouble-
shooting flowchart, fig. 4-16.
l. . . . _ _
E_N_D_.,.)
Refer to DRIVE READY indicator trouble-
shooting flowchart, fig. 4-17.
Refer to door unlocked solenoid trouble-
shooting flowchart, fig. 4-13.
Refer to DOOR UNLOCKED indicator
trouleshooting flowchart, fig. 4·14.
Refer to DRIVE FAliLTindicator trouble-
shooting flowchart, fig. 4-3.
Refer to DRIVE READ'LLndjcator trouble-
shooting flowchart, fig. 4-17.
7925
7311-3C
4-10
Figure 4-1. Power-Up Troubleshooting Flowchart