Burkert Type 3003 - Manual (Page 22)

22
Maintenanceandrepair
10. maintenance anD repair
10.1. safety information
Warning!
hazard due to improper maintenance!
• Installation and maintenance work may only be carried out by
authorised technicians using appropriate tools!
danger due to unintentional activation of the system!
Unintended actuation of the system during maintenance and repair
work can lead to injury and damage to property.
• Take appropriate measures to prevent the possibility of uninten-
tional activation of the system.
10.2. maintenance
The rotary actuator is maintenance-free when used in a manner cor-
responding to the instructions in this manual.
10.3. malfunctions
malfunctions resolution
The rotary actuator
does not function (first
commissioning) Check power supply
Check the connections against the
circuit diagram included
malfunctions resolution
The rotary actuator is stuck
in the OPEN position Check power supply
Check the connections against the
circuit diagram included
Check whether the movement of the
electrical valve is obstructed
The valve does not open
or close
completely Check power supply
Check the connections against the
circuit diagram included
Check the limit switches
Check whether there is any overload
due to too-high torque on the valve
(our rotary actuators are equipped
with thermostats)
if yes: interrupt power for 5 minutes
The rotary actuator is stuck
in the CLOSED position Check power supply
Check the connections against the
circuit diagram included
Check whether the movement of the
electrical valve is obstructed
english
Type 3003