62
IM 767361-01E
Troubleshooting, Maintenance, and Inspection
Items to be Checked in Case of an Abnormality
If the instrument does not operate properly even if the actions given in the table
below are performed, or if Service required is stated as a corrective action, or if
there are any other problems, contact YOKOGAWA or your YOKOGAWA sales
representative.
Symptom
What to Check
Page
Nothing is displayed when the power is turned ON.
• Is the LINE switch turned ON?
19
• Is the fuse blown out?
58
• Was the power supply cut?
19
The data is not correct.
• Are the ambient temperature and humidity within the 17, 64
acceptable range?
• Is the unused input port covered?
12 to 15
Keys do not function.
• Is the REMOTE indicator LED in the left of the corner 44
OFF?
• Is keylock turned ON?
30
Instrument cannot be controlled via the GP-IB interface.
• Does the GP-IB address specified in the program
44, 45
match the address set up in the instrument?
• Does the interface meet the IEEE Standard 488-1978 43
electrical and mechanical requirements?
• Is the GP-IB communication turned ON?
22, 45
Instrument cannot be controlled via the RS-232 interface. • Do the communications specifications of the instrument 46
match those of the controller?
Error Codes and Corrective Actions
Error Codes for Operation and Measurement
No. Type of Error
Cause
Corrective Action
Page
11 Communications
command error
Received command not used by this instrument.
Check for error in the command
sent.
App-1
12 Parameter error
Parameter value specified is outside allowed range.
Correct the value.
App-2 to
App-11
14 Error in execution
Attempted to execute a command not allowed
during auto store or while in recall mode.
Make sure that the instrument is
not in auto store or recall mode.
36, 37
App-2 to
App-11
15 Error in Execution
Attempted to execute a command not allowed in the
instrument’s current mode.
Check for error in the command or
key operation.
App-2 to
App-11
16 Error in execution
Attempted to execute a command not allowed when
the DMM function is OFF.
Check that the DMM function is
OFF.
34
App-2 to
App-11
17 Zero calibration error Attempted to perform zero calibration with an invalid
reference pressure value.
• Overrange occurred in the measured pressure
value
• When using an absolute pressure model
(767357/767367/767387), the value differs from
the factory default by more than 1 kPa.
Check whether the reference
value (0 kPa) was correctly input.
23,
App-9
18 Option error
Attempted to execute commands related to the D/A
output and comparator output function when the /DA
option was not installed.
Install the /DA option.
App-1
21 DMM calibration error Error in DMM calibration procedure.
Input the correct values for the
three calibration points.
56 to 58
App-3 to
App-4
22 DMM calibration error
Overflow during DMM calibration.
Check the connections and
procedures then try the calibration
again.
56 to 58
App-3 to
App-4
23 DMM calibration error Overwrite error occurred during DMM calibration
(EEPROM failure in DMM section).
Service required.
–
32 Recall error
No data present for the recalled data number.
36 to 38
