Guspro BB-8416884 - Troubleshooting Chart

50-60 Hanover Road, Florham Park, New Jersey 07932
Form No.V8501
Page 4 of 4
Valves & Actuators
ORDERING INFORMATION
FOR COIL REPLACEMENT
When ordering coils, specify valve catalog number, voltage
and coil number, if possible.
Troubleshooting Chart
Trouble Possible Cause Remedy
Valve operation is sluggish
Solenoid coil short, or wrong voltage.
Damaged plunger assembly.
Dirt or other foreign matter restricting
operation of valve.
Check coil voltage. Replace solenoid
coil.
Replace valve.
Replace valve and install strainer
upstream of valve.
Valve fails to open
Timer, limit controls or other devices not
energizing circuit.
Damaged plunger assembly preventing
plunger operation.
Solenoid coil short, burned-out or
wrong voltage.
Dirt, pipe compound or other foreign
matter restricting operation of valve.
Check circuit for limit control operation,
blown fuse, short circuit and loose
wiring.
Replace valve.
Replace with solenoid coil of correct
voltage
Replace valve and install strainer
upstream valve.
Valve fails to close
Damaged plunger assembly preventing
plunger operation.
Dirt, pipe compound or other foreign
matter restricting operation of valve.
Limit controls improperly installed to
grounded side.
Replace valve.
Replace valve and install strainer
upstream of valve.
Wire controls in hot side of circuit.
Valve chatters"
Valve supply voltage is improper
(too low)
Dirt or chips between top of plunger
assembly and plunger tube.
Apply correct voltage to valve.
Replace valve and install strainer
upstream of valve.