TROUBLESHOOTING
ERROR MESSAGES
5 - 9
FIELD DEVICE
NOT RESPONDING
All FSK Noise on field wiring.
Turn off STT terminal. ID tags appear on
screen. Select the ID tag of the transmit-
ter or, select the one appearing within
brackets if unsure of ID tag. Press
. Press
. If message is
still present, continue to the next
corrective action.
STT terminal not
connected properly.
Check STT terminal wiring connections.
Refer to Figure
for correct wir-
ing arrangements.
Short in communication
wire.
Perform a continuity check to determine if
a short exists.
Transmitter does not have
a minimum amount of
voltage across inputs.
Correct power problem. Refer to appro-
priate product instruction for minimum
supply voltage requirements.
Transmitter or STT termi-
nal is defective.
If available, verify that the STT terminal is
functional by interfacing another transmit-
ter. Replace the STT terminal if not func-
tional.
If STT terminal is functional, replace field
device electronics assembly.
PTS: Replace amplifier assembly, refer to
repair/replacement section of the appro-
priate product instruction for replacement
procedures.
FIELD DEVICE
NOT SUPPORTED
BY STT
All FSK Field device type not sup-
ported by the release of
STT terminal.
Contact an ABB sales office for upgrade
information.
FIELD DEVICE
OPEN SENSOR
EQS
Field device temperature
transducer failure.
Replace the temperature transducer.
(i.e., thermocouple, RTD).
Field device temperature
transducer not connected.
Connect the proper transducer
(i.e., thermocouple, RTD).
FIELD DEVICE
OUTPUT IS FIXED
OR IN ADJ. MODE
All FSK STT terminal turned off
while the 4 to 20 mA out-
put was being calibrated.
Power down the transmitter and power
up the transmitter.
Transmitter cannot exe-
cute command because of
fix output.
Take transmitter out of fix output. Refer to
FIELD DEVICE RAM
FAILURE
All FSK Internal RAM failure.
Replace electronics. Refer to the repair/
replacement section of the appropriate
product instruction.
Table 5-2. STT04 Error Messages for ABB FSK Devices
(continued)
Message
Affected
Device
Probable Cause
Corrective Action
ENTER
STATUS