Optional error processors for 3270 logical units

Two error processors are supplied for 3270 LUs, as follows:
  1. Group index 1, error codes X'D9', X'DC', X'DD', and X'F2'.

    These error codes correspond to the receipt of sense or status bytes in the user sense fields of the RPL. The error processor locates an ESB of the standard format and updates a weighted error count. The weight, threshold, and timer values are based on those used by the sample terminal error program 3270 except as noted in the previous section. If the threshold is not exceeded, the abend SEND, abend RECEIVE, abend transaction flags, and all the print action flags are turned off. Otherwise the default actions are taken and the NEB is released if it is reusable.

  2. Group index 2, error code X'42'.

    This code means that no 3270 printer was available to satisfy a print request made at a 3270 screen. The error processor examines the printers defined for this screen to determine why they were unavailable. If either is busy on a previous PRINT or COPY request (that is, a task is attached with a transaction ID of CSPP or CSCY) or is no longer unavailable, that printer address is returned to the node abnormal condition program which retries the print request with an IC PUT command. Otherwise the default actions are taken. (For more details, see the section Coding for the 3270 ‘unavailable printer' condition.)