Warning List For Sensors - Hach 8310 Manual Del Usuario

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the sensor errors, press the MENU key and select Sensor Diag, [Select
Sensor], Error List. A list of possible errors is shown in
Table 6 Error list for conductivity sensors
Error
Description
MEAS TOO
The measured value is >
HIGH
2,000,000 µS/cm,
1,000,000 ppm or
20,000 ppt
MEAS TOO
The measured value is <
LOW
0 µS/cm, 0 ppm or 0 ppt
ZERO TOO
The zero calibration value is
HIGH
> 500,000 counts
ZERO TOO
The zero calibration value is
LOW
< –500,000 counts
TEMP TOO
The measured temperature
HIGH
is > 130 °C
TEMP TOO
The measured temperature
LOW
is < –10 °C
ADC
The analog to digital
FAILURE
conversion failed
Table
6.
Resolution
Make sure that the sensor is
configured for the correct cell
constant.
Make sure that the sensor is
configured for the correct cell
constant.
Make sure that the sensor is held
in air during zero calibration and is
not located near radio frequency or
electromagnetic interference.
Make sure that the cable is
shielded by metal conduit.
Make sure that the sensor is
configured for the correct
temperature element. Refer to
Test the conductivity sensor
on page 16.
Make sure that the sensor module
is fully inserted into the controller
connector. Replace the sensor
module.
Table 6 Error list for conductivity sensors (continued)
Error
Description
SENSOR
The sensor is missing or
MISSING
disconnected
SENS OUT
The sensor signal is outside
RANGE
of the accepted limits for
the cell constant that is
used (0.01 and 0.05:
100 µS/cm; 0.5:
1000 µS/cm; 1:
2000 µS/cm; 5:
10,000 µS/cm; 10:
200,000 µS/cm)

Warning list for sensors

A warning does not affect the operation of menus, relays and outputs. A
warning icon flashes and a message is shown on the bottom of the
measurement screen. To show the sensor warnings, press the MENU
key and select Sensor Diag, [Select Sensor], Warning List. A list of
possible warnings is shown in
Table
Table 7 Warning list for conductivity sensors
Warning
Description
ZERO TOO HIGH
The zero calibration value
is >300,000 counts
ZERO TOO LOW
The zero calibration value
is < –300,000 counts
TEMP TOO HIGH
The measured temperature
is > 100 °C
TEMP TOO LOW
The measured temperature
is < 0 °C
Resolution
Examine the wiring and
connections for the sensor and for
the module. Make sure that the
terminal block is fully inserted into
the module.
Make sure that the sensor is
configured for the correct cell
constant.
7.
Resolution
Make sure that the sensor is
held in air during zero
calibration and is not located
near radio frequency or
electromagnetic interference.
Make sure that the cable is
shielded by metal conduit.
Make sure that the sensor is
configured for the correct
temperature element.
English 17

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