Table 6-1 Power Problems - Compaq ES40CSLP Installation, User & Service Manual

Troubleshooting and Diagnostics

Table 6-1 Power Problems

Symptom
System does not power
on.
Power supply shuts down
after a few seconds
6–2 Compaq ES40CSLP Rackmount System Installation/User/Service Guide
Action
•
Check that AC power is plugged in.
•
Check the Power setting on the control panel. Toggle the Power
button to off, then back on to clear a remote power disable.
•
Check error messages on the OCP.
•
Check that the ambient room temperature is within
environmental specifications (10–40°C, 50–104°F).
•
Check that internal power supply cables are plugged in at the
system motherboard.
The system may be powered off by one of the following:
—RMC power off command
—System software
—Fan failure
—Over-temperature condition
—Power supply failure
—Faulty CPU
Invoke RMC and use the status command and the env command for
an indication of fan failure or over-temperature condition. See
Chapter 4.
Check jumper J26. You can disable this jumper to override an over-
temperature condition. See Appendix C.