Hach CL17sc User Manual page 25

of the relays and outputs. A warning icon flashes and a message is shown on the bottom of the
controller display.
Warning
BUBBLES There are bubbles in the cell.
DETECTED
CLEAN CELL The cell is getting stained or dirty
SOON and should be cleaned soon to
prevent an error.
HIGH CHLORINE The chlorine concentration is at or
more than the HIGH CL ALARMS
setpoint.
LOW CHLORINE The chlorine concentration is at or
less than the LOW CL ALARMS
setpoint.
LOW SAMPLE The sample flow measured is less
FLOW than the minimum sample flow rate.
Refer to
HIGH SAMPLE The sample flow measured is more
FLOW than the maximum sample flow rate.
Refer to
Section 9 Replacement parts and accessories
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Consumables
Description
Reagent Set, Free Chlorine, includes:
Buffer bottle, indicator bottle and DPD bottle
Reagent Set, Total Chlorine, includes:
Buffer bottle, indicator bottle and DPD bottle
Cell cleaning kit, includes:
Sulfuric Acid, 5.25 N, 100 mL, dropper bottle and cotton swabs (10x)
Table 8 Warning messages
Description
Specifications on page 3.
Specifications on page 3.
W A R N I N G
Solution
Clean the cell. Refer to Clean the cell
Clean the cell. Refer to Clean the cell
Increase the HIGH CL ALARMS setting. Refer to
Step 10: Configure the analyzer
Or
Decrease the chlorine concentration of the sample
supplied to the analyzer.
Decrease the LOW CL ALARMS setting. Refer to
Step 10: Configure the analyzer
Or
Increase the chlorine concentration of the sample
supplied to the analyzer.
Set the sample flow rate. Refer to
rate on page 16.
Clean the filter in the Y-strainer if necessary to
remove a blockage. Refer to
Y-strainer on page 21.
Note: When a LOW SAMPLE FLOW warning occurs, the
analyzer temporarily stops measurements. When the flow rate
is again within the flow rate specification, the analyzer
automatically starts measurements.
Set the sample flow rate. Refer to
rate on page 16.
Quantity
1
1
1
on page 19.
on page 19.
on page 17.
on page 17.
Step 8: Set the flow
Clean the screen in the
Step 8: Set the flow
Item no.
2556900
2557000
8573100
English 25