Troubleshooting - Hach AS950 Basic Installation And Maintenance

Figure 15 Distributor assembly
1 Tube extension
2 Nozzle
3 Distributor arm
7.5 Disposal
Child entrapment hazard. Remove the doors on the refrigerated cabinet before disposal.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
Fire and explosion hazard. This product contains a flammable refrigerant. Dispose of chemicals and
wastes in accordance with local, regional and national regulations.
Section 8 Troubleshooting
8.1 General troubleshooting
Table 2 shows causes and corrective actions for several common problems.
Problem
No instrument power
4 Distributor arm lengths:
152.4 mm (6.0 in.), 177.8 mm
(7.0 in.) or 190.8 mm (7.51 in.)
5 Distributor motor
6 Shaft
D A N G E R
C A U T I O N
C A U T I O N
Table 2 Troubleshooting table
Possible cause
Problem with the main power
source.
Defective controller
7 Distributor tube
Solution
Make sure that AC power gets to the
electrical outlet.
Contact technical support.
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