Troubleshoot Errors - Hach FH950 Manual Básico Del Usuario

Replace the battery when the battery does not hold power when charged.
Note: If the instrument must be returned to the factory for repair or maintenance, remove the battery and put the
battery in a protective cover before shipment.
1. Set the power to off.
2. Remove the battery. Refer to
3. Discard the battery in accordance with local, regional and national regulations.
4. Install a new battery in the same location and with the same orientation. Refer to
battery on page 10.
Use only batteries that are supplied by the instrument manufacturer.
5. Install the battery cover. Make sure that the cover is secure to keep the enclosure rating.
6. Charge the battery if necessary. Refer to
Troubleshooting
Diagnostics
In the Main Menu, select Diagnostics to see information about the meter and do the diagnostic tests
in Table 4.
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.

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
Sensor is not connected
Value is out of range
Sensor data is known to be not correct
or not accurate
Sensor is not recognized
Display is dim or is not visible
20 English
Install the battery on page 10.
Charge the battery
Table 4 Meter diagnostics
Solution
Connect a sensor and try the action again.
Change the measurement parameters or put in a different value, then
try the action again.
Clean the sensor and test.
Check the sensor connection. Make sure that the lock nut on the
connection port is tight (finger-tighten only).
Push a key on the keypad.
Install the
on page 11.