Hach EM950 Manual Básico Del Usuario página 22

Option Description
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
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
Data is not available or access to
the data is not possible
Meter is unresponsive
22 English
Table 4 Meter diagnostics (continued)
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.
Make sure that the USB option (Main Menu) is set to Mass
Storage.
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.