Electrical actuator type EA04
10 Troubleshooting list
Problem
Actuator does not
react
Actuator only runs in
one direction
Overload protection is
activated
Valve closes or does
not open fully
11 Spare parts list
Name
Actuator EA04 10 Nm 100–230 V AC/DC
Actuator EA04 10 Nm 24 AC/DC
Actuator EA04 20 Nm 100-230 V AC/DC
Actuator EA04 20 Nm 24 AC/DC
Mounting kit DN10/15
Mounting kit DN20/25
Mounting kit DN32/40
Mounting kit DN50
Possible cause
No mains voltage available.
Internal wiring fault
Switching cam set wrong
Motor locked
Limit switch faulty
Valve is dirty
Too high ambient temperature
Switching cam not adjusted
Valve stem twisted
Problem solving
Check voltage source.
Correcting wiring of the
actuator, see Section 7
Adjusting limit switches
Using manual emergency
override, see Section 8.2
Using manual emergency
override, see Section 8.2
Clean valve, see manual on
the valve
If possible, reduce ambient
temperature
Adjusting limit switches
Replace valve stem
Code-No.
198 151 480
198 151 481
198 151 482
198 151 483
198 804 240
198 804 241
198 804 242
198 804 243
Troubleshooting list
41