ICPS600A402_1_oms - page 30

28
IC.PS.600.A4.02 / 520B2809
Fault location
Symptom:
Solenoid valve sounds wrong
1)
See “Spare parts”
Probable cause
Remedy
Hum
Hum caused by ac frequency. Can be removed by chang-
ing to coil with rectifier (see page 21).
Water hammer when valve opens
Water hammer when valve closes
See "Installation"
Differential pressure too high
and/or pulsation in pressure
line
Check valve data and differential pressure.
Check pressure and liquid flow.
Replace with more suitable valve.
Check rest of installation.
1...,20,21,22,23,24,25,26,27,28,29 31,32,33,34,35,36,37,38,39,40,...44
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