28
6. Error messages
En calibración
Error C
> 30 %
Unstable reading
more than 1 min.
SAME STANDARD
UNKOWN
STANDARD
Deviation of the cell constant
value higher than 30 % of its
nominal value.
Unstable reading for more
than 60 s.
1st, 2nd or 3rd standard
have the same nominal
value.
Incorrect standard solution.
Cell “worn out”.
Error in the selection of the cell.
Verify programming
Defective or dirty cell.
Standard at temperature different from ambient.
Same standard was used for both calibration
points.
Press ESC to quit calibration.
The standard used is not among the 3 in memory:
147 µS/cm, 1413 µS/cm or 12.88 mS/cm. at
25 °C. Press ESC to quit calibration.
°C OUT OF RANGE
Standards temperature.
Standard temperature > 35 °C or < 10 °C.
On display
Problem
Possible causes
Other messages
OUT OF R. 22.3°C
- - - - -- mS/cm @25°
Measured value out of range
Conductivity reading > 200 mS/cm.
After 10 minutes, the current output will remain
fixed at 22 mA, the alarm will activate and the limit
relay will deactivate.
°C OUT OF RANGE
13.37 mS/cm @25°
Measured temperature value
out of limits.
Pt 1000 probe broken or temp. < -20 or >150°C.
LIMIT 22.3 °C
835 µS/cm @25°
Measured value out of the
programmed limits.
Verify the programmed limit values.
Verify process evolution.
ALARM 22.3 °C
835 µS/cm @25°
Activation of the alarm relay.
The programmed relay lag for activation of the
alarm relay has been surpassed.
Current output will remain fixed at 22 mA. and
the limit relay remains activated.
T.C.
>0.00!!!
Temperature Coefficient
selected, TC = 0
Measurement configured as salinity. Impossible
to measure with TC=0. The instrument proposes
autimatically TC=2.
SALITNITY ERROR
T.C. > 0.00
Salinity measurement with
TC=0
TC=0 has been programmed. To measure
salinity, modify the TC.
On display
Problem
Possible causes
si629 C_HACH LANGE_Ed 0510.indd ANG:28
si629 C_HACH LANGE_Ed 0510.indd ANG:28
20/5/10 12:06:59
20/5/10 12:06:59
