16-4
IM 253710-01E
Codes Messages
Actions
Sections
807
Cannot change this parameter when either
Turn OFF both MATH1 and MATH2.
11.2
MATH1 or MATH2 is ON.
808
Cannot change this parameter during
—
—
numerical display.
809
Cannot change this parameter during
—
—
vector display.
810
Cannot change this parameter during
—
—
bar graph display.
814
Duplicated Name.
Change the label string.
9.7
817
Cannot change.
Please change X Trace in the X-Y menu.
9.11
819
Cannot change when Channel Display is OFF
Set the channel display ON or make appropriate
9.1
or Math settings are invalid.
Math settings.
823
Cannot change when started.
—
—
827
Illegal math expression.
Input a correct computing equation.
10.3, 11.2
834
Duplicate SCSI ID.
Set different ID numbers.
12.3
840
Illegal input value.
—
—
Error in System Operation
Codes Messages
Actions
Sections
901
Failed to backup setup data.
Will initialize.
3.11
902
System RAM failure.
Maintenance service is required.
—
903
System ROM failure.
Maintenance service is required.
—
904
System RAM failure.
Maintenance service is required
—
905
System failure.
Install the input modules correctly.
3.3
906
Fan stopped.
Power off immediately. Maintenance service is
—
required.
907
Backup battery is flat.
Maintenance service is required to replace the
—
backup battery.
908
Internal temperature is too high.
Power off immediately. Maintenance service is
—
required.
909
Illegal SUM value.
Maintenance service is required.
—
910
RAM read/write error.
Maintenance service is required.
—
911
Memory bus error.
Maintenance service is required.
—
912
Fatal error in Communication-driver.
Maintenance service is required.
—
914
Time out occurs in Communications.
—
—
915
EEPROM SUM error.
EEPROM may be damaged. Maintenance service is
—
required.
917
No module installed.
Install the module.
3.3
919
Module installation condition and
The instrument is initialized.
—
setup parameters do not match.
920
SUM error of NULL value.
The Null value is reset to 0.
—
Note
If the corrective action indicates maintenance service, try initializing the instrument. It may
recover from the error.
16.2 Error Messages and Corrective Actions