App-1
IM WT18O1E-02EN
Appendix 1 Messages and Corrective Actions
Messages
Error messages may appear on the screen while you are using this instrument. This section describes
the error messages and how to respond to them. You can display the messages in the language that
you specify through the operations explained in section 21.3. If servicing is necessary to solve the
problem indicated by a message, contact your nearest YOKOGAWA dealer.
In addition to the following error messages, there are also communication error messages. These
messages are explained in the communication interface user’s manual, IM WT1801E-17EN.
Warning Messages (1 to 99)
Code
Message
Chapter or Section
3
Turned on pressing the RESET key.
The system has been initialized.
3.6
1
11
Cannot measure PLL frequency.
Check input level.
2.1
12
File access slow. Too many files in directory or medium read/write speed slow.
17.6
64
File access is aborted.
—
80
System Configuration was changed.
The system has been initialized.
—
84
Key lock is enabled.
To release the lock, press the KEY LOCK (SHIFT+LOCAL) key.
21.10
85
In remote control mode, all keys are locked except LOCAL key.
Please hit LOCAL key to exit the remote control mode.
Chapters 1 to 3
2
86
In Local Lockout mode, all keys are locked.
Please cancel the local lockout.
Chapters 1 to 3
2
87
Firmware was changed.
The system has been initialized.
—
88
Integration has started and measurement ranges of the MOTOR/AUX are switched to fixed
ranges. Even if the Data Update Interval setting is Auto, Voltage/Current measurement range
are also switched to fixed ranges.
1.2 and 1.15
89
Processing system settings change.
Please wait for a moment.
—
90
This model has no external current sensor.
Check the specifications to see whether or not the optional external current sensor is
provided.
21.1
91
This model has no built-in printer.
Check the specifications to see whether or not the optional built-in printer is provided.
21.1
92
This model has no harmonics measurement.
Check the specifications to see whether or not the optional harmonics measurement is
provided.
21.1
93
This model has neither motor evaluation function or auxiliary input.
Check the specifications to see whether or not the optional motor evaluation function
and the optional auxiliary input are provided.
21.1
95
Be careful not to exceed a current supply limit value to use the power supply for a
current sensor.
2.11
1
96
If the S or Q computation is set to type 1 or 2, the following is applied to elements with
the rectifier set to on.
• Φ is fixed to lag (G).
Displayed in the range of 0 to 180°(360 degrees format).
• The sign of Q is fixed to positive.
For QΣ that includes elements with the rectifier set to on, type 2 is used.
Chapter 7
97
There are measure conditions which make sigma functions unmeasurable.
All or part of sigma funtions will not be measured.
1.1 and 15.1
98
External Sync interval has gone out of range.
Check External Sync (MEAS START) input.
4.4
1
1 Getting started guide, IM WT1801E-03EN
2 Communication interface user’s manual, IM WT1801E-17EN
Appendix