Description Of Diagnostic Information - ABB TTH300 Operating Instruction

8.3.5

Description of diagnostic information

Area Device status message
(on the display)
Sensor Sensor drift
Sensor S1 line resistance too high
Sensor S1 short circuit
Sensor S1 wire break
Sensor S2 line resistance too high
Sensor S2 short circuit
Sensor S2 wire break
Operating S1 measurement range overflow
conditions
Operating S1 measurement range underflow
conditions
Operating S2 measurement range overflow
conditions
Operating S2 measurement range underflow
conditions
Operating Device temperature out of spec.
conditions
Electronics Device error
Electronics Device not calibrated
Electronics Device being simulated
OI/TTH300-EN
Configuration via the LC display with control buttons
Cause
Out of specification
Maintenance required
Error
Error
Maintenance required
Error
Error
Out of specification
Out of specification
Out of specification
Out of specification
Out of specification
Error
Out of specification
Functional check
TTH300
Remedy
Sensor adjustment
Sensor 1: Remove corrosion
at the connections or reduce
line length
Sensor 1: Rectify short circuit
or replace sensor 1
Sensor 1: Rectify wire break
or replace sensor 1
Sensor 2: Remove corrosion
at the connections or reduce
line length
Sensor 2: Rectify short circuit
or replace sensor 2
Sensor 2: Rectify wire break
or replace sensor 2
Adapt S1 measurement range
to suit measuring task
Adapt S1 measurement range
to suit measuring task
Adapt S2 measurement range
to suit measuring task
Adapt S2 measurement range
to suit measuring task
Check environment; reposition
measuring point if required
Replace device
Calibrate device
Terminate simulation
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