Cleaning And Decontamination - Hach 9586sc Manuel D'utilisation Simplifié

3. Select CAL OPTIONS and push enter.
4. Use the arrow keys to select an option and push enter.
Option
CAL REMINDER Sets a reminder for the next calibration in days, months or years—select the
OP ID ON CAL
Section 9 Maintenance
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.

9.1 Cleaning and decontamination

Always remove power from the controller before performing maintenance activities.
The analyzer does not normally require any cleaning or decontamination. If needed, clean the
exterior of the instrument with a moist cloth and a mild soap solution. Never use cleaning agents
such as turpentine, acetone or similar products to clean the instrument, including the display and any
accessories.
Section 10 Troubleshooting
10.1 Warning list
A warning icon consists of an exclamation point within a triangle. Warning icons appear on the right
of the main display below the measurement value. A warning does not affect the operation of menus,
relays and outputs. To view warnings, push the menu key and select DIAGNOSTICS. Then select
the device to view any problems associated with that device. The warning icon will no longer be
displayed once the problem has been corrected or acknowledged.
A list of possible warnings is shown in
Warning
O2 SCAVENGER TOO
HIGH
O2 SCAVENGER TOO
LOW
TEMP TOO HIGH
TEMP TOO LOW
Description
required delay from the list.
Includes an operator ID with calibration data—YES or NO (default). The ID is
entered during the calibration.
Table
Table 5 Warning list for oxygen scavenger sensors
Description
The measured value is >
10000 ppm
The measured value is <
0 ppm
The measured temperature
is > 50 °C
The measured temperature
is < 0 °C
D A N G E R
D A N G E R
5.
Resolution
Make sure that the oxygen scavenger
(hydrazine or carbohydrazide) level in
the process water is within the operating
limits of the sensor. Calibrate or replace
the sensor.
Calibrate or replace the sensor.
Reduce sample temperature.
Increase sample temperature.
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