Error List - Hach 1735 TRO Manuel D'utilisation

Figure 8 Warning symbol
Warning
REAGENT LOW
LOW REFERENCE
COUNTS
MEASUREMENT TOO
HIGH
MEASUREMENT TOO
LOW

Error list

When the error symbol shows, a condition is present that makes it necessary to stop instrument
operation (Figure 9). If necessary use the UP or DOWN arrows to see the error message
When the problem has been corrected, start the instrument again to remove the message.
Figure 9 Error symbol
Message
REAGENT EMPTY
REF COUNTS RANGE
ERROR
INTERNAL COMM
ERROR
HIGH REFERENCE
COUNTS
Table 3 Warning messages
Description
Reagent levels are low. Less than
40 hours of operation time remains.
Reference counts are below the minimum
level of reference counts set for the
instrument. This is normal and happens as
the colorimeter cell gets stained or dirty.
The measurement is greater than the
configured high alarm value.
The measurement is lower than the
configured low alarm value.
Table 4 Error messages
Description
The reagent bottles are empty.
Reference counts are not between the
minimum and maximum levels set for the
instrument
An internal communication problem occurred
in the instrument.
Reference counts are too high for the
instrument to operate.
Solution
Replace the reagent bottles.
Clean the colorimeter, then restart the
instrument.
Make sure that the sample
concentration has not changed. If the
sample concentration is acceptable,
change the high alarm value.
Make sure that the sample
concentration has not changed. If the
sample concentration is acceptable,
change the low alarm value.
Solution
Replace the reagent bottles.
Clean the colorimeter, then restart
the instrument.
Restart the instrument.
Clean the colorimeter, then restart
the instrument.
(Table 4).
English 17