Vacon OPTAF, User Manual

Page: 49 / 50

THERMISTOR FUNCTION (ATEX) vacon • 47
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8 System Fault 37…40 Single hardware problem
detected in STO inputs. - Change the OPTAF board
or the VACON
®
NXP con-
trol board
.
8 System Fault 41…43 Single hardware problem
detected in the thermistor
input. - Change the OPTAF board.
8 System Fault 44…46 Single hardware problem
detected in STO inputs or in
the thermistor input. - Change the OPTAF board
or the VACON
®
NXP con-
trol board.
8 System Fault 47 OPTAF board mounted in
old VACON
®
NXP control
board.
- Change the VACON
®
NXP
control board to VB00561,
rev. H or newer.
8 System Fault 48 Parameter Expander
boards/SlotB/Therm
Trip(HW) is set to OFF even
though the jumper wire X12
is not cut. - Correct the parameter
according to the jumper
settings.
8 System Fault 49 OPTAF is only compatible
with NXP. - Remove the OPTAF board.
8 System Fault 50 Hardware problem.
The fault only appears with
SIL3 compatible control
boards. - Change the NXP control
board.
8 System Fault 51 Hardware problem. The
fault only appears with SIL3
compatible configurations. - Contact your distrib-
utor.
- The power unit may
need to be replaced.
8 System Fault 52 Hardware problem. The
fault only appears with SIL3
compatible control boards. - Contact your distrib-
utor.
- Change the NXP con-
trol board.
Table 14. Faults related to the STO & thermistor function
Fault
code
Fault Subcode Possible cause Correcting measures