EN-55
Thermo Scientific Orion Star
™
and Star Plus Meter User Guide
Chapter XIV
Troubleshooting
Meter Self Test
1 . Disconnect all of the electrodes and probes from the meter and cover all of the
meter inputs with the black caps .
2 . Power on the meter, wait until the software revision is displayed and press
.
3 . All the segments on the display will turn on . Visually inspect the display
segments to verify that all of the segments are lit and press
.
4 . All the segments on the display will turn off . Visually inspect the display
segments to verify that all of the segments are not lit and press
.
5 . The display will read
. Press every key on the keypad one at a time in
any order . If the keys are not pressed within five seconds of one another, the
display will read
, which indicates a key failure . Press
to clear the
error 033 message and complete the self test . If all the keys are pressed and
functioning, the meter will restart and proceed to the measurement mode .
Note:
If the meter reads
during the self test, ensure that all of the
electrodes are disconnected from the meter, all of the meter inputs are covered
with the black caps and the BNC shorting cap is firmly attached to the BNC meter
input. This error code usually occurs if the BNC shorting cap is missing or not fully
connected to the BNC meter input during the meter self test.