Diagnostic Messages - ABB Aztec ATS430 Operating Instructions Manual

7.2 Diagnostic messages

The table below shows sensor-specific icon types, diagnostic
messages and possible causes / suggested remedial action.
IMPORTANT (NOTE)
— The diagnostic icons in the following tables
conform to NAMUR 107.
— For transmitter-specific diagnostics messages,
refer to AWT440-EN.
Diagnostic Icon NAMUR Status
Error / Failure
Out of specification
Maintenance required
Check function
24 OI/ATS430–EN Rev. H | Aztec ATS430 | Turbidity sensor
Icon Message
PV failure
ADC Failure
NV Failure
Cal. Failed
Out of Range
Wiper Expired
Temperature Out
of Range
Excess Light
Wiper Failed
Replace Wiper
LED Expired
Cal In Progress
In Recovery
Clean Progress
Clean Inhibited
Possible cause / suggested action
The LED is not illuminating the
sample. Cycle power to sensor.
An error has been reported by the
on board ADC. Cycle power to
sensor.
Failure of non-volatile memory on
sensor board. Cycle power to
sensor. If power cycling fails, reset
the sensor configuration to default
and reconfigure as needed.
The last calibration failed. Repeat
calibration procedure.
The measured turbidity is outside
the specified range.
The wiper blade is overdue for
replacement. Replace the wiper
blade and issue wiper blade
replaced command.
The internal sensor temperature is
outside operating limits. Verify that
the sample temperature is within
the operating range of the sensor
(0 to 60 °C [32 to 140 °F])
Excess ambient light is present
stopping sensor from operating.
Shade the sensor, or move to an
area where the sunlight is excluded.
The wiper has failed to wipe. Check
wiper for blockage.
The wiper blade is due for
replacement. Replace wiper blade
and issue wiper blade replaced
command.
The LED is going to fail shortly.
A calibration is in progress.
The sensor is in recovery mode
after performing a calibration.
The wiper is currently cleaning.
Wiping is inhibited.