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System x3455 Types 7984 and 7986: Installation Guide
Table 3. List of POST error codes (continued)
v Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved.
v See the parts listing in the Problem Determination and Service Guide to determine
which components are customer replaceable units (CRU) and which components
are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must
be performed only by a trained service technician.
Error code
Description
19990650
AC power has been restored.
Action
1. Check the power cables.
2. Check for interruption of the ac
power supply.