Chapter 15 Troubleshooting, Maintenance, And Inspection; Troubleshooting - YOKOGAWA 2558A User Manual

Chapter 15 Troubleshooting, Maintenance, and Inspection

15.1 Troubleshooting

Faults and Corrective Actions
• If an error code appears on the output display, see section 15.2.
• If servicing is necessary, or if the instrument does not operate properly even after you have
attempted to deal with the problem according to the instructions in this section, contact your nearest
YOKOGAWA dealer.
Problems and Solutions
Nothing appears on the 7-segment LED display when you turn on the power.
The output does not turn on.
Dials and switches do not work.
The external oscillator frequency cannot be monitored. The phase angle is not displayed.
Unable to configure or control the instrument through the communication interface.
IM 2558A-01EN
Securely connect the power cord to the instrument and to the power outlet.
Set the supply voltage and frequency to within the permitted range.
Confirm that the ambient temperature and humidity are within their specified
ranges.
Check that the inlet and outlet holes are not blocked.
Check the cable wiring.
Turn the power off and then on again.
Check the REMOTE indicator. If the REMOTE indicator is on, flip the OUTPUT
switch down to turn off the indicator.
Check the signal connection.
Check that the frequency setting is EXT1 (frequency monitor).
Check that the frequency setting is EXT2 (PHASE; phase angle display).
Check to make sure that the GP-IB address setting matches the specifications.
Check to make sure that the TCP/IP settings match the specifications.
Confirm that the interface meets the electrical and mechanical specifications.
1
2
3
4
Refer to
Section
5
3.3
3.3
3.2
6
3.2
3.7, 5.3
7
3.4
1.1, 1.2
8
7.1
5.2
5.2
9
11.3
10.3
10.1, 11.1 10
11
12
13
14
15
16
App
Index
15-1