There is no operational port from the central processing complex (CPC) to the External Time Reference (ETR). ETR is the MVS™ generic name for the IBM® Sysplex Timer (9037) or equivalent.
Processing continues in local synchronization mode. The system records the error in the logrec data set.
Check the system console associated with this processor. Also check that the timer is in the correct mode for its configuration. If necessary, refer to the hardware documentation.
Otherwise, contact 9037 hardware support. Note that the same event might occur on more than one of the processors in a sysplex.
Timer supervision
IEAVNP21
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