58 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E
… 12 Diagnosis / error messages
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 Errors Sensor 1: Rectify short-circuit or replace sensor 1
Sensor S1 wire break Errors 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 Errors Sensor 2: Rectify short-circuit or replace sensor 2
Sensor S2 wire break Errors 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 Errors Replace device
Electronics Device not calibrated Outside of the specification Calibrate device
Electronics Device being simulated Function check Terminate simulation
Electronics Configuration error Errors Validate configuration
Sensor Sensor 1 + 2 redundancy failure Errors 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.
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