HPE ProLiant Gen9

To locate the system maintenance switch bank, see the user guide on the Hewlett Packard Enterprise
website.
2. Use the iLO RBSU to enable and reset iLO.
For more information, see the user guide on the Hewlett Packard Enterprise website.
1503-iLO 4 ROM-based Setup Utility is disabled
Symptom
1503-iLO 4 ROM-based Setup Utility is disabled.
Solution 1
Cause
The RBSU or iLO is disabled and the Security Override Switch is set to the OFF position.
Action
Enable the RBSU through RIBCL.
Solution 2
Action
1. Set the security override switch to the ON position.
To locate the system maintenance switch bank, see the user guide on the Hewlett Packard Enterprise
website.
2. Enable the iLO.
For more information, see the user guide on the Hewlett Packard Enterprise website.
1600 Series
1609-Battery Failure message
Symptom
1609-Battery Failure message. This is detected by checking the RTC Lost Power bit in CMOS (Byte 0Dh - Bit
7).
Cause
The real-time clock system battery has lost power.
Action
Replace the system battery.
1503-iLO 4 ROM-based Setup Utility is disabled 105