Burkert Type 8793 User Manual

Page 232

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232

Maintenance and Troubleshooting

35.1.3. Error messages while the

P.Q’LIN function is running

Display

Cause of fault

Remedial action

Q.LIN
err/break

Manual termination of linearization by
pressing the

EXIT

key.

P.Q‘LIN
ERROR 1

No supply pressure connected.

Connect supply pressure.

No change to process variable.

Check process and, if required, switch on
pump or open the shut-off valve.

Check process sensor.

P.Q‘LIN
ERROR 2

Failure of the supply pressure while
P.Q’LIN running.

Check supply pressure.

Automatic adjustment of the

X.TUNE

position controller not run.

Run X.TUNE.

Table 125:

Error message on P.Q.‘LIN; process controller Type 8793

35.1.4. Error messages while the

P.TUNE function is running

Display

Cause of fault

Remedial action

TUNE
err/break

Manual termination of self-optimization by
pressing the

EXIT

key.

P.TUNE
ERROR 1

No supply pressure connected.

Connect supply pressure.

No change to process variable.

Check process and, if required, switch on
pump or open the shut-off valve.

Check process sensor.

Table 126:

Error message on P.TUNE; process controller Type 8793

english

Type 8792, 8793

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