Honeywell ST 700 - Critical and Non-Critical Help Display

Revision 4.0 ST 700 Series HART/DE Option User’s Manual Page 89
individual to unlock the Write Protection
Mode feature and disable the Tamper Mode
and make the required updates.
Meter Body Unreliable
Comm
Possible causes:
Either the transmitter is installed in a noisy
environment or internal communication
quality between the Electronics Module and
Sensor is degrading.
Resolution:
Call service person.
Loop Current Noise
Possible causes:
If this is observed frequently, it is an early
indication of critical under/over-current
failure.
Resolution:
Closely monitor the device status for
indications of other failures, or proactively
replace the Electronics module.
AO Out of Range
Possible causes:
Calculated Analog output is either above or
below the specified Loop Current Limits. The
transmitter input is not in specified range.
Resolution:
Check the transmitter input and verify the
configured operating range.
URV Set Err. Span
Config Button
Possible causes:
SET URV operation using external Span
button was rejected.
Resolution:
Verify the inputs are valid for the intended
operation.
LRV Set Err. Zero Config
Button
Possible causes:
SET LRV operation using external Zero
button was rejected.
Resolution:
Verify the inputs are valid for the intended
operation.