Hach FH950, Руководство пользователя, Страница: 32 / 40

Table 5 Meter diagnostics (continued)
Option Description
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 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.
Replacement parts and accessories
W A R N I N G
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Replacement parts
Table 6 Velocity only sensor
Description Item no.
Sensor with 1.5 m (5 ft) cable EM950.0005
Sensor with 6.1 m (20 ft) cable EM950.0020
Sensor with 12.2 m (40 ft) cable EM950.0040
Sensor with 30.5 m (100 ft) cable EM950.0100
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