The SMS initialization subcomponent provides a return code in register 15. Table 1 describes the conditions that cause the return code.
| Return Code | Meaning |
|---|---|
| 0 (X'00') | Successful. If router return code is zero, then the function return code will always be error free. |
| 4 (X'04') | Warning. |
| 8 (X'08') | Unknown PC routine requested. |
| 12 (X'0C') | SMAS unavailable. |
| 16 (X'10') | Error condition. |
| 20 (X'14') | Abend occurred. |
| 24 (X'18') | SMS SSIB could not be found. |
| 26 (X'1A') | Recovery environment does not exist. |
| 28 (X'1C') | No wait for restart and unavailable SMAS. |
| 30 (X'1E') | Program check. Restart is not possible. |