Error And Troubleshooting - Hitachi SJ Series Safety Function Manual

Chapter 9
Chapter 9 Error and
9.1 Contents in this chapter
This chapter describes errors related to P1-FS and how to
deal with them. For errors generated by SJ-P1 itself, refer
to SJ-P1 User's Guide and Safety Guide.
9.2 Error
An error is generated when the internal diagnosis function
detects a failure in the internal safety paths or when
configured by related parameters. Please refer to the
sections below for the error contents and their
troubleshooting.
When P1-FS is used, [oA-30] to [oA-33] related to SJ-P1
error is invalid.
9.2.1
[E094] P1-FS internal error
An error is detected by the diagnostic function performed
between the internal MCUs.
After generation of this error, the internal safety paths are
held on STO state until powered down.
What to do

When this error is generated, it is likely that a fault
exists in the internal safety paths of the P1-FS.

Please ensure to stop the operation of the system
and shut off the power supply, and then conduct the
functional test.

Please ensure to shut off the power supply
power up or the parameters are rewritten. In case
the status does not improve, P1-FS must be
replaced.
Troubleshooting
9.2.2
The error [E095] may be generated when an error is
detected on path 1.
After generation of this error, the internal safety paths are
held on STO state until powered down.
What to do

When this error is generated, it is likely that a fault
exists in the internal safety paths of the P1-FS.

Please ensure to stop the operation of the system
and shut off the power supply, and then conduct the
functional test.

Please ensure to shut off the power supply
power up or the parameters are rewritten. In case
the status does not improve, P1-FS must be
replaced.
9.2.3
The error [E096] may be generated when an error is
detected on path 2.
After generation of this error, the internal safety paths are
held on STO state until powered down.
What to do

When this error is generated, it is likely that a fault
and
exists in the internal safety paths of the P1-FS.

Please ensure to stop the operation of the system
and shut off the power supply, and then conduct the
functional test.

Please ensure to shut off the power supply
power up or the parameters are rewritten. In case
the status does not improve, P1-FS must be
replaced.
9-1

Error and Troubleshooting

[E095] P1-FS path 1 error
[E096] P1-FS path 2 error
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