Troubleshooting - Hach HIAC ROC Manuel D'utilisation

Clean the instrument
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Clean the exterior of the instrument with a moist cloth and a mild soap solution.
Replace the hoses
Personal injury hazard. Enclosed systems contain high pressure. Qualified personnel must remove
pressure from the system before the instrument can be installed or removed.
Visually inspect the sample hoses for wear or deterioration at least every 6 months, more frequently
if conditions are harsh. If the hoses need to be replaced, do these steps.
1. Remove the pressure from the system.
2. Remove the power from the instrument.
3. Remove the hoses.
4. Use replacement hoses with adequate pressure ratings.
Calibration
The instrument cannot be calibrated by the user. Contact the manufacturer for instrument calibration.

Troubleshooting

Error indicator
When an error occurs, an exclamation point appears on the main menu of the ROC Configuration
Utility.
1. Double-click on the exclamation point. A window opens
2. Click on a current error. Details are shown in the lower section of the window.
3. To remove the list of errors in the window, click Clear List. This removes the error indicator from
the main screen.
W A R N I N G
W A R N I N G
(Figure 11).
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