HP E840 A Series User And Service Manual page 61

Power Supply Protection
Appendix A
All outputs protected from over-temperature, over-voltage, over-current,
short-to-ground and short-to-other-output. Protection mode is full
shutdown. Recovery occurs when the fault condition is removed and power
of on/standby is cycled.
Repair
Diagnosis and Troubleshooting through the front panel monitor and
connector.
•
MTTR, Power Supply: <10 minutes (with mainframe and modules
fully installed in rack)
•
MTTR, Impeller and/or Fan: <10 minutes (with mainframe and
modules fully installed in rack)
•
Air Filter Replacement (if kit installed): <2 minutes.
HP E8401A, E8403A Product Specifications 61