Anritsu MT8820A - Page 294

Section 9 Maintenance
9-32
Phenomenon Probable cause Action
1000 files already exist in the
directory of save destination.
Delete unnecessary files at PC or
other devices.
A saved parameter file is not
displayed on the screen.
Execute
F6
Reload Media
Information in the function menu
RF signal output connector is
wrong.
Check if the setting of RF Output
on the System Configuration screen
is in conformance with the
connector being used.
The parameter setting for
MT8820A is wrong.
Refer to the operation manual of the
measurement software.
A call cannot be connected.
A phone is not ready.
Refer to the operation manual of the
phone for connection.
The panel key is not
operated.
MT8820A is in the remote control
mode.
Press
Local
to return to the
manual control mode.
A message, “Out of range” is
displayed when attempting
to set a parameter.
The parameter is out of specified
range.
Set the parameter to the value
within the range.
A message, “Prohibited
when Parameter is X” is
displayed when attempting
to set a parameter.
The Parameter cannot be set when
the value is X.
Check the setting condition and set
the Parameter value to other than X.
A message, “Call has
dropped” is displayed.
The status does not allow
demodulation a signal of the phone.
Check the parameter setting or
measurement signal status.
GPIB address is wrong.
Perform the same setting for GPIB
Address on the System
Configuration screen and the
controller.
GPIB cable is not correctly
connected.
Connect the cable correctly based
on the GPIB network conditions.
Remote control mode cannot
be set.
GPIB board for PC is not correctly
set up.
Refer to the operation manual of the
GPIB board being used.
The displayed value is
different from the response
value.
Response unit is different from the
display unit.
Check the response unit.
A message, “Undefined
command” is displayed and
an error occurs for
transmitted command.
The transmitted command is
undefined.
Check if the character string of the
command header part is correct..
A message, “Invalid numeric
data” is displayed and an
error occurs for transmitted
command.
A character string is assigned to the
parameter for a numeric value to be
assigned.
Assign correct numeric values in
the parameter.
A message, “Invalid string
data” is displayed and an
error occurs for transmitted
command.
Undefined numeric value or
character string is assigned to the
parameter for a reserved word to be
assigned.
Assign a corrected reserved word in
the parameter.