If the service processor detects no heartbeats during system IPL (for a set period of time), it cycles the
system power to attempt a reboot. The maximum number of retries is set from the service processor
menus. If the fail condition persists, the service processor leaves the machine powered on, logs an error,
and displays menus to the user. If Call-out is enabled, the service processor calls to report the failure and
displays the operating-system surveillance failure code on the operator panel.
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Chapter 7. Using the Service Processor