Troubleshooting - Hach AS950 Basic Installation And Maintenance

To replace the power supply for the refrigerated sampler, refer to
Figure 16 Power supply replacement
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.

Troubleshooting

General troubleshooting
Table 2 shows causes and corrective actions for several common problems.
Problem
No instrument power
D A N G E R
C A U T I O N
Table 2 Troubleshooting table
Possible cause
Problem with the main power
source.
Defective power supply
(refrigerated sampler only)
Defective controller
Figure 16.
Solution
Make sure that AC power gets to the
electrical outlet.
Replace the power supply.
Contact technical support.
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