Guardian Programming Reference Summary for C
Error Codes
Guardian Programming Reference Summary for C—522630-001
15-5
135 Write-protect violation with disk
136 Unit ownership error (dual-port disk)
137 Controller buffer parity error
138 Interrupt overrun
139 Controller error
140 Modem error (communication link not yet established, modem failure,
momentary loss of carrier, or disconnect) or FOX link to an EXPAND line handler
is down
148 Invalid read or write from/to an optical disk
150 End-of-tape marker detected
151 Runaway tape detected, or attempt to access a tape whose density is lower than
the switch setting on the tape drive
152 Unusual end or tape unit went offline or CP6100 file closed while requests in
progress
153 Tape drive power on
154 BOT detected during backspace files or backspace records
155 Only nine-track magnetic tape allowed
156 Tape command rejected or communication protocol violation detected
157 I/O process internal error
158 Invalid function requested for Hyper Link
159 Device mode wrong for request, or attempt to execute the PUP PRIMARY
command while the tape drive is waiting for a labeled tape mount
160 Request is invalid for device state
161 Impossible event occurred for line state
162 Operation timed out
163 EOT received or power at auto-call unit is off
164 Disconnect received or data line is occupied (busy)
165 RVI received or data line not occupied after setting call request
166 ENQ received or auto-call unit failed to set “present next digit”
167 EOT received on line bid or “data set status” not set after dialing all digits
168 NAK received on line bid or auto-call unit failed to clear “present next digit” after
“digit present” was set
169 WACK received on line bid or auto-call unit set “abandon call and retry” or
station disabled or station not defined
170 No ID sequence received during circuit assurance mode or invalid MCW entry
number on write
171 No response received on bid/poll/select, or reply invalid
172 Reply not proper for protocol