86 TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF300-EN REV. I
… 11 Diagnosis / error messages
Possible error messages – PROFIBUS PA® and FOUNDATION Fieldbus®
Outside of the specification
S1 line resistance too high
1: Remove corrosion at the connections or
Sensor 1: Rectify short-circuit or replace sensor 1
1: Rectify wire break or replace sensor 1
S2 line resistance too high
2: Remove corrosion at the connections or
-circuit
2: Rectify short-circuit or replace sensor 2
Sensor 2: Rectify wire break or replace sensor 2
S1 measuring range overflow
specification
Adapt S1 measuring range to suit measuring task
S1 measuring range underflow
Outside of the specification
Adapt S1 measuring range to suit measuring task
S2 measuring range overflow
the specification
Adapt S2 measuring range to suit measuring task
S2 measuring range underflow
Outside of the specification
Adapt S2 measuring range to suit measuring task
Device temperature out of spec.
Outside of the specification
Check environment; reposition measuring point if
required
Outside of the specification
Sensor 1 + 2 redundancy failure
Check sensor / sensor connection
Sensor 1 redundancy: short
-circuit
required
-circuit at sensor 1 or replace sensor 1
Sensor 1 redundancy: wire break
Rectify break at sensor 1 or replace sensor 1
Sensor 2 redundancy: short
-circuit
short-circuit at sensor 2 or replace sensor 2
Sensor 2 redundancy, wire break
Rectify break at sensor 2 or replace sensor 2
Note
If the remedial measures listed for the error message do not improve the status of the device, please consult ABB Service.