Metrohm 751 GPD Titrino User Manual

Page 191

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4.1. Error and special messages

751 GPD Titrino

188

check T-sensor

No temperature sensor is attached (with MEAS T or if the

temperature monitoring is active).

Exit: Connect Pt100 or Pt1000 or <STOP>.

DX

↑ / ↔ overload

The motor of dosing drive X has reached its current limit

because the piston or the cock resp. doesn't move.

Exit: <STOP> then <QUIT>. Check and clean the wet part. If

everything is ok, remount it and press <CLEAR>: The dosing

drive will be initialized.

data lost

The data of the memory card are lost as the battery tension

was lower than 2.37 V.

Exit: <CLEAR>.

data set reevaluation

Message if Titrino is reevaluating downloaded measuring point

lists.

directory already exists

The directory exists already.

Remedy: <QUIT> and enter a different directory name or

delete the directory with the same name.

division by zero

The result could not be calculated as a divisor in the formula

was equal to zero.

Exit: Enter appropriate value.

EP overflow

In a DET or MET titration 9 EP's or more were found. The first 9

EP's will be listed.

Remedy: Recalculation of data with higher EP criterion.

limit

Message in the measuring point list: More than one limit value

of the activated monitoring functions has been violated.

manual stop

The determination has been manually stopped.

meas out of limit

The determination has been stopped as a limit value of the

measured value monitoring has been violated.

meas

Message in the measuring point list: A limit value of the

measured value monitoring has been violated.

meas.pt list overflow

Maximum 500 measured points can be stored.

Exit: Use start criteria or select larger time interval.

missing EP

An EP needed for calculation in a formula is missing.

missing fix EP

A fix EP needed for calculation in a formula is missing.

missing fix time

A fix time C6X needed for calculation in a formula is missing.

missing fix V

A fix V C5X needed for calculation in a formula is missing.

missing rate

A rate C8X needed for calculation in a formula is missing.

no end set

With DOC the end of the ramp has not been set.

Exit: <STOP> and set end.

no.EP not corresponding

In DET or MET titrations, the number of EP's actually found

does not match the set windows: Exactly 1 EP per window has

not been found.

no EP set

In SET or STAT, no EP has been set.

Exit: <STOP> and set EP.

no meas.quantity

In DOS or TIP a manual measurement (<MEAS/HOLD>) has

been performed without defining a measuring quantity.

Exit: <MEAS/HOLD> and define measured quantity.

no memory card

The memory card is not inserted (correctly).

Remedy: <CLEAR> or rectify fault.

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