Density Meter LB 444 SECTION 5. GETTING STARTED
50
5.3 Error Messages
Resetting Error Messages
a) All error messages must be reset with <
enter
>.
b) Several simultaneously or consecutively occurring errors are stored in an er-
ror register in the order of their appearance; they must be reset individually
by operating <
enter
>several times.
c) All errors are signaled via the “Error” output (Relay 16a/16c).
Error Messages during Operation
Message
Cause, Notes
Wrong password The wrong password has been entered to
unlock the keyboard.
Error Messages during Calibration
Message
Cause, Notes
Error 59 range
exceeded
Measuring path = 0
Error one-point
calibration
Absorption coefficient = 0
Calibration points
missing
Not enough calibration points available for the
selected calibration mode. Select lower cali-
bration mode.
Curve not clear
The calculated calibration curve yields am-
biguous density values. Repeat calibration
with different calibration mode.
(see also section 6.2). Check entered data.
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