Honeywell SmartLine ST 700 - 16.2.1 Fault Conditions and Recommended Corrective Actions - Standard Display

Page 220 ST 700 SmartLine Pressure Transmitters User’s Manual Revision 13
16.2.1 Fault Conditions and Recommended Corrective Actions – Standard
Display
The standard display will display the message FAULT on the top line of the LCD and the appropriate
diagnostic text on the lower line.
Table 40 – ST 700 Basic Transmitter - Fault Conditions and
Recommended Corrective Actions.
Condtion
Analysis
Recommended Corrective
Action
Mbd Com
(Meter body comm
fault)
Communications between the
meter body and the electronics
module has failed.
Check the ribbon cable that
connects the meter body to the
electronics module. Ensure that
the cable is securely plugged into
the electronics module. Ensure
that all pins are plugged into the
connector (e.g. ensure that the
connector is not offset in a way
that leaves some pins
unconnected).
Cycle power to the transmitter.
If the problem continues to occur
replace the electronics module. If
this does not fix the problem,
replace the meter body.
Comm El
(Communication
Board fault)
A critical failure has been detected
on the HART electronics module.
Cycle power to the transmitter.
If the problem continues to occur
replace the electronics module.
Mtrbody
(Sensor Board Fault)
A critical failure has been detected
in the Meter body.
Cycle power to the transmitter.
If the problem continues to occur
replace the electronics module.