9-2
Error and Troubleshooting
9.2.4 [E097] P1-FS communication error
The error [E097] may be generated when communication
between SJ-P1 and P1-FS is cut off or power supply to P1-
FS cannot be established.
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 and
power up or the parameters are rewritten. In case
the status does not improve, P1-FS must be
replaced.
9.3 Warning display
In case that a warning (one of [P-1A] / [P-2A] / [P-1b] / [P-
2b] / [P-1C] / [P-2C]) is displayed on the operator keypad,
it is possible that input state of ST1 and ST2 is inconsistent.
Please check that the two STO inputs are given properly.
9.4 When internal fault found
Please contact the nearest Hitachi inverter distributor
when it has been found a malfunction of the STO function.
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