Hach-lange FILTERTRAK FT 660 sc User Manual Manuel d'utilisateur télécharger pdf (Page 22)

How to clean spills

C A U T I O N

Chemical exposure hazard. Dispose of chemicals and wastes in

accordance with local, regional and national regulations.

1. Obey all facility safety protocols for spill control.

2. Discard the waste according to applicable regulations.

Troubleshooting

Problem Possible cause Resolution

Low (< 1) or negative

readings

Head assembly is not

correctly installed on the

body of the instrument

Correctly install the head

assembly on the body of the

instrument. If not, the red

status light will flash.

Laser failure Contact Technical Support.

PMT/Electronics failure

Errors

When an error occurs:

•

The reading on the measurement screen flashes.

• All outputs are held.

• The red status light on the instrument turns on.

To access the current instrument errors, select Diagnostics, [Select

Sensor], Error List.

Select an error and confirm to identify the cause of the error. Refer to

Table 2.

Table 2 Error list

Error Possible cause Resolution

A/D FAILURE A/D conversion failure Contact Technical Support.

LASER FAILURE Laser did not work correctly

and is turned off

FLASH FAILURE Data log and event log not

working

LOW SIGNAL

ERROR

Signal is too low (less than

3.0 mNTU)

Make sure that the head

assembly is installed

correctly. If not, the red

status light will flash.

Contact Technical Support.

Warnings

When a warning occurs:

•

A warning icon flashes and a message is shown on the bottom of the

measurement screen.

• The red status light on the instrument starts flashing.

Warnings do not affect the operation of menus, relays and outputs.

To access the current instrument warnings, select Diagnostics, [Select

Sensor], Warning List.

Select a warning and confirm to identify the cause of the warning. Refer

to Table 3.

20 English

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Hach-lange FILTERTRAK FT 660 sc User Manual Manuel d'utilisateur Page 22

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