\item \macro{ECHRNG} \textit{Channel number out of range}.
\item \macro{EL2NSYNC} \textit{Level 2 not synchronized}.
\item \macro{EL3HLT} \textit{Level 3 halted}.
\item \macro{ECHRNG} \textit{Channel number out of range}.
\item \macro{EL2NSYNC} \textit{Level 2 not synchronized}.
\item \macro{EL3HLT} \textit{Level 3 halted}.