How to troubleshoot these errors:
Fatal Communications Error Occurred in Program XCOMR While Accessing File XCOMICF3
Format Device Operation 03 OPEN I-O
Major/Minor Code 82AA ACQ
FAIL - RMT LOCATION ERR
Fatal APPC error detected by transaction program
XCOM™ Data Transport® for AS/400 i5/OS
3. If the device is defined as APPN capable (most are) then check the entries in the rmtcfglist by issuing:
WRKCFGL
and select remote configuration list.