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Table 5-2. STT04 Error Messages for ABB FSK Devices
Affected
Message
FIELD DEVICE
CAN'T EXECUTE
COMMAND:
FBS ON-LINE
FIELD DEVICE
CAN'T EXECUTE
COMMAND:
HARDWARE PROB-
LEM
FIELD DEVICE
CAN'T EXECUTE
COMMAND:
INVALID COMMAND
FIELD DEVICE
CAN'T EXECUTE
COMMAND:
LOCKOUT ENGAGED
FIELD DEVICE
CAN'T EXECUTE:
DATA
OUT OF RANGE
FIELD DEVICE
CONFIGURATION
DOES NOT MATCH
STT'S
FIELD DEVICE
MAIN
ELECTRONICS
EEPROM FAILURE
Probable Cause
Device
All FSK
STT terminal cannot
change any transmitter
parameters while the field
bus is active.
BCN
Detected error in
EQN
hardware.
TBN
AVS
Unspecified hardware
failure
All FSK
Incorrect syntax.
Excessive line noise.
STT terminal failure.
All FSK
Unable to configure or cal-
ibrate. Hardware lock
active.
All FSK
Transmitter sent data that
is out of acceptable range.
All FSK
Configuration of the trans-
mitter does not exactly
match the corresponding
configuration in the STT
terminal.
BCN
Memory problem.
EQN
TBN
EQS
Memory problem.
PTS
TROUBLESHOOTING
(continued)
Corrective Action
Transmitter must be brought off-line. This
can be done from the MFC/MFP by tun-
ing the function code.
NOTE: To bring transmitter off-line, the retainer can
be unplugged from the rack. Be aware that by doing
this, communication is lost for all other transmitters on
the bus. When the retainer is unplugged, there is a
2-minute time out period until the STT terminal will be
allowed to change parameters. After the 2-minute pe-
riod, the transmitter allows the STT terminal access.
Press
to determine error and
STATUS
use this table for appropriate corrective
action. If status is not more explicit, check
electronics assembly of field device.
Service unit.
Wrong device type selected in the
configuration. Refer to the appropriate
device configuration appendix for details
about device type.
Check line noise. Use an oscilloscope to
determine if line noise is excessive.
Verify STT terminal is operational by
using another STT terminal that is known
to be operational.
Refer to the device product instruction for
details about the configuration lockout
jumper.
Press
to verify the parameters of
VIEW
the configuration and consult the appro-
priate device instruction for correct
parameters.
Rerange was executed without updating
the STT terminal configuration.
Perform GET CONFIG. Refer to
CONFIGURATION
in Section 4.
NOTE: The positioner will change the installed option
flags if they are incorrect in the transmitted configura-
tion. This error will appear if the configuration is not re-
loaded by the STT terminal.
Reconfigure and recalibrate the transmit-
ter. Refer to the appropriate configuration
and calibration sections in this instruction
for the transmitter type.
Remove power from the field device and
reapply. If problem persists replace the
amplifier assembly. Refer to repair/
replacement section of the field device
product instruction.
ERROR MESSAGES
GET
5 - 7
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