FAULtS Press ENTER to scroll through existing fault messages.
8.3.3 Diagnostic messages for ozone and total chlorine
TYPE O3 or tCL Transmitter is measuring ozone (or total chlorine). Press NEXT to view diagnos-
tics.
SEnSor Cur Press ENTER to display raw current from sensor (note units).
SEnSitvtY Press ENTER to display sensitivity. Sensitivity is calculated during calibration . It
is the measured current divided by concentration.
O CurrEnt Press ENTER to display the zero current measured by calibration (note units).
5081-A-Ht This is the model number. Press ENTER to display the software revision (SFtr)
level. Press NEXT to show the hardware revision (HArdr) level.
FAULtS Press ENTER to scroll through existing fault messages.
8.3.4 Diagnostic messages for free chlorine
TYPE FCL Transmitter is measuring free chlorine. Press NEXT to view diagnostics.
SEnSor Cur Press ENTER to display raw current from sensor (note units).
SEnSitvtY Press ENTER to display sensitivity. Sensitivity is calculated during calibration. It is
the measured current divided by concentration.
O CurrEnt Press ENTER to display the zero current measured during calibration (note units).
PH Press ENTER to view pH diagnostics. Press NEXT to skip pH diagnostics.
InPut Current pH sensor input voltage in millivolts.
SLOPE Sensor slope in millivolts per unit pH. Slope is calibrated during buffer calibration.
OFFSt Sensor voltage in millivolts in pH 7 buffer.
GIMP Glass impedance in MΩ.
5081-A-Ht This is the model number. Press ENTER to display the software revision (SFtr) level.
Press NEXT to show the hardware revision (HArdr) level.
FAULtS Press ENTER to scroll through existing fault messages.
8.4 5081-A troubleshooting
8.4.1 5081-A warning and fault messages
The 5081 transmitter continuously monitors the sensor and transmitter for conditions that
cause erroneous measurements. When a problem occurs, the transmitter either displays a
warning or fault message. A warning alerts you that a potentially disabling condition exists.
Diagnostics and troubleshooting
Instruction Manual 93
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