Burkert Type 3005 - Manual (Page 27)

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