Troubleshooting - Georg Fischer EA 11 Bedienungsanleitung

¢¢. Troubleshooting
Problem
Motor does not run
Motor only runs in
one direction
Overload protection
reacts (self re-
setting)
Valve does not close
or open correctly
For service please contact the specialist at your
Georg Fischer sales company.
¥ ‡
Possible causes
No mains voltage
(Kl 1, 2, 3)
Internal wiring
error
Switching cams S1
and S2 incorrectly set
Motor blocked
Change-over relay
does not work
Friction torque of
valve too high
Motor defective
Duty cycle too
high
Switching cams S1
and/or S2 not
adjusted
Remedy
Error at customer
side
Check wiring of
actuator
See Point 4
Use emergency
manual override,
check valve,
replace motor
Replace base
board
Clean and lubricate
valve
Replace motor
Increase cycle time
Reduce ambient
temperature
See Point 7
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