HP ProLiant Gen8 Troubleshooting Guide Volume II: Error Messages

HP ProLiant server errors 78
1748-Slot X Drive Array - Unsupported Cache Module Battery Attached...
...Please install Battery Pack(s) with the correct part number.
Audible Beeps: None
Possible Cause: The current battery pack is not supported on this cache module.
Action: Install only supported battery packs with the correct part number.
1748-Slot X Drive Array - Unsupported Array Accelerator Battery Attached...
...Please install battery pack(s) with the correct part number.
Audible Beeps: None
Possible Cause: The current battery pack is not supported on this Array Accelerator module.
Action: Install only supported battery packs with the correct part number.
1749-Slot X Drive Array - Cache Module Flash Memory being erased...
...Caching will be re-enabled when flash memory erase has completed.
Audible Beeps: None
Possible Cause: The cache module flash memory is being erased.
Action: No action is required.
1749-Slot X Drive Array - Array Accelerator Flash Memory being erased...
...Accelerator will be reenabled when flash memory erase has completed.
Audible Beeps: None
Possible Cause: The Array Accelerator flash memory is being erased.
Action: No action is required.
1753-Slot X Drive Array - Array Controller Maximum Operating Temperature
Exceeded During Previous Power Up
Audible Beeps: None
Possible Cause: The controller is overheating.
Action: Be sure adequate system cooling and sufficient airflow across the controller are available.
1754-Slot X Drive Array - One or more RAID levels are configured...
...but are not supported due to controller model or an inactive/missing license key. Please re-attach drives to original
controller or enter license key.
Audible Beeps: None
Possible Cause: The controller model does not support the configuration on the drives, or the license key is
inactive or missing.
Action: Re-attach drives to the original controller, or enter a license key.