HP Guardian Errors Manual page 54

Recovery Corrective action is device dependent. If this problem persists and a data communications
process is involved, obtain a trace and submit it to your service provider.
168
Cause Either a negative acknowledgment (NAK) was received in response to a line bid or selection,
or the auto-call unit failed to clear "present next digit" after "digit present" was set.
Effect The procedure sets the error code and returns without performing the requested operation.
Recovery Corrective action is device dependent. If this problem persists and a data communications
process is involved, obtain a trace and submit it to your service provider.
169
Cause This error can occur for the following reasons:
A wait for acknowledgment (WACK) was received in response to a line bid or selection.
The auto-call unit set "abandon call and retry."
The specified station was disabled or undefined.
Effect The procedure sets the error code and returns without performing the requested operation.
Recovery Corrective action is device dependent. If this problem persists and a data communications
process is involved, obtain a trace and submit it to your service provider.
170
Cause This error can occur for the following reasons:
No ID sequence was received.
A write request for a multipoint line had an invalid message control word (MCW) entry number
or an MCW entry number different from the currently active output entry number.
Effect The procedure sets the error code and returns without performing the requested operation.
Recovery Corrective action is device dependent.
171
Cause The selected controller or device did not respond.
Effect The procedure sets the error code and returns without performing the requested operation.
Recovery Corrective action is device dependent. If this problem persists and a data communications
process is involved, obtain a trace and submit it to your service provider.
172
54 File-System Errors
(%250) NAK received on line bid (device type: 7.0, 7.1,
7.3, or 7.8), or auto-call unit failed to clear
present-next-digit after digit-present was set
(device type: 7.56 or 11).
(%251) WACK received on line bid (device type: 7.0, 7.1,
or 7.3), auto-call unit set abandon-call-and-retry
(device type: 7.56 or 11), or station disabled or
undefined (device type: 11).
(%252) No ID sequence received during circuit
assurance mode (device type: 7.0 or 7.1)
or invalid MCW entry number on write
(device type: 11.40).
(%253) No response received on bid/poll/select,
or reply invalid. (device type: 7, 10,
11, 58, 60, or 61)
(%254) Reply not proper for protocol; invalid
control sequence or invalid data.
(device type: 6, 7, 9, 10, 11, or 60)