ABB TTH300 Operating Instruction page 58

Configuration via the LC display with control buttons
Area Device status message
(on the display)
Electronics Configuration error
Sensor Sensor 1 + 2 redundancy failure
Sensor Sensor 1 redundancy: Short circuit
Sensor Sensor 1 redundancy: Wire break
Sensor Sensor 2 redundancy, short circuit
Sensor Sensor 2 redundancy, wire break
Important
If the remedial measures listed for the diagnostic information do not improve the status of the
device, please consult ABB Service.
58
Cause
Error
Error
Maintenance required
Maintenance required
Maintenance required
Maintenance required
TTH300
Remedy
Validate configuration
Check sensor / sensor
connection
Rectify short circuit at sensor
1 or replace sensor 1
Rectify break at sensor 1 or
replace sensor 1
Rectify short circuit at sensor
2 or replace sensor 2
Rectify break at sensor 2 or
replace sensor 2
OI/TTH300-EN