Yamatake Corporation
Maintenance and Troubleshooting
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
7-31
An abnormality of the transmitter or the process is suspect
The temperature
correction data on
the electronics
module was lost
Contact the appropriate personnel.
Unknown error
state
Contact the appropriate personnel.
Message
Meaning
Required action
The temperature
in the center body
is too high.
Install the transmitter in such a
way that the temperature does not
become too high.
• Input data error
• Problem in the
process
• Transmitter
fault
• Differential
pressure trans-
mitter fault
• Check the process.
Set the transmitter to the constant
current source mode and press the
n key. If no message is displayed,
report the problem to the contact
point indicated on the rear.
• The input dif-
ferential pres-
sure exceeds 2
times the high
limit of the
valid range.
• Differential
pressure trans-
mitter fault
•
Check the PV value and
replace the transmitter with a
model of a larger range if nec-
essary.
•
Contact the appropriate per-
sonnel because the pressure
receiving part of the transmit-
ter may be damaged.
Message
Meaning
Required action
NO DAC TEMP COM
STATUS UNKNOWN
SENSOR OVER TEMP
#
SUSPECT INPUT
M.B.OVERLOAD OR
METER BODY FAULT