Thermo Scientific Orion 320, User Manual

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Thermo Scientific Orion 320, 350 and 370 PerpHecT
®
LogR
®
Meter User Guide
7-1
Chapter 7
Customer Services
Malfunction Possible Cause Solutions
No meter
display
No power to
meter
Check that meter is connected to a power supply
and that the power supply is connected to an
appropriate wall socket.
Check that the proper power supply is securely
connected to the meter.
Connect the meter to a new power supply,
Cat. No. 020125 (110 V), Cat. No. 020130 (220 V) or
Cat. No. 020135 (240 V)
Erratic
readings or
out-of-range
readings
Meter or
electrode failure
Follow the meter self-test and check-out
procedure in this user guide.
Check the electrode operation by following the
instructions in the electrode user guide.
Ensure a proper, secure electrode connection to
the meter.
During the self-test, the meter will display various codes corresponding to
the section of the instrument being checked . The meter displays the number
of the test in the main field . Additional meter displays occur depending on
the test being performed . If any problems are found, an operator assistance
code corresponding to the test that failed will be displayed . Note the code
and press the yes key to continue . If an operator assistance code appears
during self-test, check to make sure that the shorting cap is securely attached
and then repeat the test . If the problem persists, contact Technical Support .
Within the United States call 1 .800 .225 .1480 and outside the United States
call 978 .232 .6000 or fax 978 .232 .6031 . In Europe, the Middle East and
Africa, contact your local authorized dealer . For the most current contact
information, visit www .thermo .com/contactwater .
It is recommended that the meter self-test and checkout procedures be
performed when the meter is operated for the first time or any time that
operational problems arise . These procedures verify the proper operation of
the 320, 350 and 370 PerpHecT meters .
Meter Self-Test and
Checkout Procedures
Troubleshooting Guide