User Manual

5.2 Error and special messages

756/831 KF Coulometer, Instructions for Use

108

- Reagent exhausted ⇒ exchange.

- Conductivity of the reagent is too low:

work with a generator electrode with diaphragm and

automatic current switching (<PARAM>, >preselections

generator I), see also page 33.

- Generator electrode or its cable faulty

Exit: Rectify the fault.

Error messages in connection with the data transfer

Receive errors:

error 36 Parity

Exit: <QUIT> and set corresponding quantity the

same on both instruments

error 37 Framing error.

Exit: <QUIT> and set corresponding quantity the

same on both instruments

error 38 Overrun error. At least 1 character could not be read.

Exit: <QUIT>

error 39 Overflow of the receive buffer of the Coulometer

(>128 characters).

Exit: <QUIT>

Send errors:

error 42 CTS=OFF

Handshake unsatisfactory for more than 1 s.

Exit: <QUIT>. Is the receiver switched on and ready

to receive?

error 43 The transmission of the Coulometer has been

interrupted with XOFF for at least 6 s.

Exit: <QUIT>.

error 45 The receive buffer of the Coulometer contains an

incomplete string (missing L

). Transmission of the

Coulometer is thus blocked.

Exit: Send L

or <QUIT>.