HP Model 712/100 hp 9000 series 700 model 712 service handbook (a2615-90039) - Page 61
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Start Plug In System Unit to a Live ac Outlet. No System Unit Plugged In? Yes Check ac Outlet Power: D 90-132 V ac for 100/120 V Environments D 198-264 V ac for 220/240 V Environments Replace: 1. Power Supply Board 2. Fan No Is Fan Running? Yes Replace LED. Figure 4-1. LED Not Lit 4-2 Troubleshooting
4–2
Troubleshooting
Start
System Unit
Plugged In?
Plug In System Unit to
a Live ac Outlet.
No
Yes
Check ac Outlet Power:
D
90–132 V ac for
100/120 V Environ-
ments
D
198–264 V ac for
220/240 V Environ-
ments
Is Fan
Running?
Replace:
1.
Power Supply Board
2. Fan
Replace LED.
Yes
No
Figure 4–1.
LED Not Lit