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Hach FH950 - 8.2 Troubleshoot errors

Hach FH950
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Table 4 Meter diagnostics
Option Description
About Shows information about the meter and the sensor. Includes the serial number and
the firmware version.
Delete files Deletes all files from memory to make space for new measurements. Make sure that
the data is downloaded to a PC before this option is selected. The system
automatically reformats the memory after file deletion.
Sensor Shows diagnostic information about the sensor.
Self test Makes the meter do a diagnostic self test.
Key pad test Does a test of any button to make sure that the button is functional.
Display test Does a test on the display to make sure that the display is functional.
Event log Lets the user see, delete or export the event log. Export the event log to make the
contents available as an accessible file through USB mass storage. This option is
used primarily by factory service.
8.2 Troubleshoot errors
The meter and sensor contain no user-serviceable parts. For the errors and messages listed, try the
corrective action.
If the problem does not go away or a problem occurs that is not in the list, contact the manufacturer.
Message or problem Solution
Sensor is not connected Connect a sensor and try the action again.
Value is out of range Change the measurement parameters or put in a different
value, then try the action again.
Sensor data is known to be not
correct or not accurate
Clean the sensor and test.
Sensor is not recognized Check the sensor connection. Make sure that the lock nut on
the connection port is tight (finger-tighten only).
Display is dim or is not visible Push a key on the keypad.
Data is not available or access to
the data is not possible
Make sure that the USB option (Main Menu) is set to Mass
Storage.
Meter is unresponsive Push and hold the power button for at least 3 seconds. This
de-energizes the meter. Energize the meter again.
Note: Do not use this method to power off while in normal operation or if the file
access icon is visible in the display.
22 English

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