Bürkert 0400 Operating Instructions Manual - Page 9

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MainTenance, TrOuBleshOOTing

Warning!

Risk of injury from improper maintenance.

▶ Maintenance may be carried out by authorized technicians only and

with the appropriate tools!

Risk of injury from unintentional activation of the system and an

uncontrolled restart.

▶ Secure system from unintentional activation.

▶ Following maintenance, ensure a controlled restart.

6.1 Malfunctions

If malfunctions occur, check whether:

• the device has been installed according to the instructions,

• the electrical and fluid connections are correct,

• the device is not damaged,

• all screws have been tightened,

• the voltage and pressure have been switched on,

• the pipelines are clean,

• the power supply is adequately high.

Possible cause if the valve does not switch:

• Short circuit or coil interrupted.

• Inadequate power supply.

• Core or core area dirty.

• Medium pressure outside the permitted pressure range.

Possible cause if the valve does not close:

• Internal space of the valve is dirty.

If the valve still does not switch, please contact your Bürkert Service

representative.

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