OSW Module
Code Error Message
Description
Corrective Action
1401
Temperature Error The internal temperature is too
high.
Turn the power off and confirm that the frame controller’s inlet
and exhaust holes are not blocked. After waiting for some
time, restart the instrument. If the same message continues to
appear, servicing is required.
1402
Update Error
A failure occurred during a
firmware update.
Restart the instrument.
If the same message continues to appear, servicing is required.
1405
Memory Check
Error
An error occurred during the
memory check.
Restart the instrument.
If the same message continues to appear, servicing is required.
1406
Temperature Limit
Error
The internal temperature is too
high.
Turn the power off and confirm that the frame controller’s inlet
and exhaust holes are not blocked. After waiting for some
time, restart the instrument. If the same message continues to
appear, servicing is required.
1407
Over Current Error The module’s drive current is
abnormal.
Restart the instrument.
If the same message continues to appear, servicing is required.
ATTN Module
Code
Error Message
Description
Corrective Action
1301
Temperature Error The internal temperature is too
high.
Turn the power off and confirm that the frame controller’s inlet
and exhaust holes are not blocked. After waiting for some
time, restart the instrument. If the same message continues to
appear, servicing is required.
1302
Update Error
A failure occurred during a
firmware update.
Restart the instrument.
If the same message continues to appear, servicing is required.
1304
Initialization Error
A failure occurred during
initialization.
Restart the instrument.
If the same message continues to appear, servicing is required.
1305
Memory Check
Error
An error occurred during the
memory check.
Restart the instrument.
If the same message continues to appear, servicing is required.
1306
Temperature Limit
Error
The internal temperature is
abnormal.
Turn the power off and confirm that the frame controller’s inlet
and exhaust holes are not blocked. After waiting for some
time, restart the instrument. If the same message continues to
appear, servicing is required.
1307
Over Current Error The module’s drive current is
abnormal.
Restart the instrument.
If the same message continues to appear, servicing is required.
1308
Module
Temperature Error
The temperature of the variable
optical attenuator is abnormal.
Turn the power off and confirm that the frame controller’s inlet
and exhaust holes are not blocked. After waiting for some
time, restart the instrument. If the same message continues to
appear, servicing is required.
1311
ATTN Table Error
ATTN table is abnormal.
Restart the instrument.
If the same message continues to appear, servicing is required.
1312
OSW Control Error Optical switch control is abnormal. Restart the instrument.
If the same message continues to appear, servicing is required.
1363
Zero set Error1
Light was not cut off during the
zero-set procedure.
After checking that light can be cut off, execute the zero-set
procedure again.
1364
Zero set Error2
There is a problem with the
hardware.
Reset the instrument, and then execute the zero-set procedure.
If the same message continues to appear, servicing is required.
1365
Input Power Over
An optical signal was applied that
exceeds the maximum optical
input level.
Set the optical input power to a value that is less than or equal
to the maximum optical input level.
4.2 Error Messages
4-12
IM 735101-01EN