Siemens SIMATIC TIWAY 1 - Manual (Page 168)

ERROR CODES AND DIAGNOSTICS
UNILINK HOST ADAPTER 6–5
USER MANUAL
2019 The exception flag was set on this macro.
201A Too much data was requested in the GATHER MACRO RESPONSE
command.
201B The action macro is enabled.
201C The action macro Primitive must be either Primitive 30 or Primitive B0.
201D The data types in the trigger macro do not match the data types defined
in the action macro.
201E A macro link already exists between the macro buffers specified.
201F No macro link exists between the specified macro buffers.
2020 The trigger macro is enabled and must be explicitly disabled before you
can terminate the macro link.
2021 The trigger macro Primitive must be either Primitive 20 or Primitive
A0.
2022 You can not explicitly define the number of Network Manager buffers to
allocate to the HIU because the default number of buffers specified in
Option–09 in the CONFIGURE NETWORK MANAGER command is
not zero. The background monitor will bring the HIU online with the
default number of buffers.
2023 The Network Manager buffers have already been allocated.
2024 The macro command buffer has been allocated, but not defined. You
cannot initialize the macro response buffer until the macro has been
defined.
3001 A message length error occurred in a message between the NM and the
HIU. You should reset your NM if this error continues.
4001 An HIU to NM message command was out of range. You should reset the
HIU and/or the NM if this error continues.
4002 An HIU to NM message address field was out of range. You should reset
the HIU and/or the NM if this error continues.
4003 A broadcast mode error occurred in an HIU to NM message. You should
reset the HIU and/or the NM if this error continues.
4004 The secondary response included an incorrect HDLC field.