Georg Fischer Piping Systems EA 11, Инструкция по эксплуатации

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83
¢¢. Troubleshooting
Problem Possible causes Remedy
Motor does not run No mains voltage Error at customer
(Kl 1, 2, 3) side
Internal wiring Check wiring of
error actuator
Switching cams S1 See Point 4
and S2 incorrectly set
Motor blocked Use emergency
manual override,
check valve,
replace motor
Motor only runs in Change-over relay Replace base
one direction does not work board
Overload protection Friction torque of Clean and lubricate
reacts (self re- valve too high valve
setting)
Motor defective Replace motor
Duty cycle too Increase cycle time
high
Reduce ambient
temperature
Valve does not close Switching cams S1 See Point 7
or open correctly and/or S2 not
adjusted
For service please contact the specialist at your
Georg Fischer sales company.