Thermo Fisher Scientific CyberScan DO 300 - Manual (Page 48)

Instruction Manual DO 300
45
11 ERROR MESSAGES
LCD Display Indicates Cause Solution
Err annunciator Unrecognised input
from keypad Wrong input in selected
mode. Release key. Select valid
operations depending on
mode.
CAL & Err
annunciators on /
Buffer and
electrode
indicators blink. Calibration error. Wrong value input at
calibration.
Dirty probe.
Check your input value,
clean probe.
See Calibration sections or
Probe Maintenance
section.
Battery indicator
blinks Low battery level. Need new batteries or
battery connection is
bad. Clean battery contacts.
Replace batteries with fresh
ones, noting polarity.
If an error message appears in the primary display (the upper row of larger digits), switching off the
meter and switching it on again may eliminate the error message.
If error persists, or the meter shows incorrect values, return the meter. See Warranty and Return of
Items sections.
For a complete diagram of the display, see page 2.