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9650 Valve Series
Installation and Maintenance Manual
40
8
TROUBLE SHOOTING
SYMPTOM
PROCEDURE
Valve fails to operate
Check electrical supply with voltmeter. Voltage must agree with
nameplate rating.
Check coil with ohmmeter for shorted or open coil.
Make sure that pressure complies with nameplate rating. Pressure
must not be less than 60psig.
Valve is sluggish or inoperative
electrical supply and pressure check out
Disassemble ball valve as per Section 6 Disassembly Instructions. Clean
out extraneous matter, replace faulty parts as required.
Replace Solenoid.
Replace Actuator.
Valve operates but limit switch does not
indicate open/closed status correctly
Verify interrogation voltage supply for limit switch.
Verify proper limit switch settings.
Replace limit switch.