HP E8402A, User And Service Manual, Page: 225 / 249

HP E8402, E8404A Product Specifications 227 Appendix A
Power Supply Protection
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).
•
MTTR, Enhanced Monitor Control Board:<10 minutes (with
mainframe and modules fully installed in rack).
•
MTTR, Enhanced Monitor Display Bulb:<15 minutes (requires
removal of main cover).
•
Calibration time: 5 to 10 minutes after steady temperature reached.
•
Air Filter Replacement (if kit installed):<2 minutes.