TTH300
HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. G
71
Possible error messages – PROFIBUS PA® and FOUNDATION Fieldbus®
Range
Device status message
(on the display)
Cause
Remedy
Sensor
Sensordrift
Outside of the specification
Sensor adjustment
Sensor
S1 line resistance too high
Maintenance required
Sensor 1: Remove corrosion at the connections or
reduce line length.
Sensor
S1 short-circuit
Error
Sensor 1: Rectify short-circuit or replace sensor 1
Sensor
S1 wire break
Error
Sensor 1: Rectify wire break or replace sensor 1
Sensor
S2 line resistance too high
Maintenance required
Sensor 2: Remove corrosion at the connections or
reduce line length.
Sensor
S2 short-circuit
Error
Sensor 2: Rectify short-circuit or replace sensor 2
Sensor
S2 wire break
Error
Sensor 2: Rectify wire break or replace sensor 2
Operating conditions
S1 measuring range overflow
Outside of the specification
Adapt S1 measuring range to suit measuring task
Operating conditions
S1 measuring range underflow
Outside of the specification
Adapt S1 measuring range to suit measuring task
Operating conditions
S2 measuring range overflow
Outside of the specification
Adapt S2 measuring range to suit measuring task
Operating conditions
S2 measuring range underflow
Outside of the specification
Adapt S2 measuring range to suit measuring task
Operating conditions
Device temperature out of spec.
Outside of the specification
Check environment; reposition measuring point if
required
Electronics
Device error
Error
Replace device
Electronics
Device not calibrated
Outside of the specification
Calibrate device
Electronics
Device being simulated
Function check
Terminate simulation
Electronics
Configuration error
Error
Validate configuration
Sensor
Sensor 1 + 2 redundancy failure
Error
Check sensor / sensor connection
Sensor
Sensor 1 redundancy: short-circuit
Maintenance required
Rectify short-circuit at sensor 1 or replace sensor 1
Sensor
Sensor 1 redundancy: wire break
Maintenance required
Rectify break at sensor 1 or replace sensor 1
Sensor
Sensor 2 redundancy: short-circuit
Maintenance required
Rectify short-circuit at sensor 2 or replace sensor 2
Sensor
Sensor 2 redundancy, wire break
Maintenance required
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.