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Maintenance, troubleshooting – Burkert Type 3005 User Manual

Page 27

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27

Maintenance,Troubleshooting

11. maintenance,

troubleshootinG

11.1. safety instructions

Danger!

risk of electric shock!
There is a serious risk of injury when reaching into the device.
• Before starting work, always switch off the power supply and

safeguard to prevent re-activation!

• Observe applicable accident prevention and safety regulations

for electrical equipment!

Warning!

Danger due to improper maintenance work!
Improper maintenance may result in injuries as well as damage to
the device and the surrounding area.
• Maintenance work may be carried out by authorised technicians

only and with the appropriate tools!

11.2. maintenance Work

The rotary actuator is maintenance-free when operated according to
the instructions indicated in this manual.

11.3. malfunctions

malfunctions

remedial action

The rotary
actuator does
not function
(initial start-up)

Check the power supply.

Check the connections according to the sup-
plied circuit diagram.

The rotary
actuator is
jammed in the
OPEN position

Check the power supply.

Check the connections according to the sup-
plied circuit diagram.

Check whether the movement of the electric
valve is obstructed.

The valve does
not fully open or
close

Check the power supply.

Check the connections according to the sup-
plied circuit diagram.

Check the limit switches.

Check whether an overload has occurred due
to excessively high torque on the valve (our
rotary actuators feature electronic overload
protection).

If yes: Interrupt the power supply for approx. 5
minutes.

english

Type 3005