Series 191 / 192
OPERATION
600246EA
Edition 2018-08-22
15/26
5.5
Trouble shooting
Failure
Check
Action
See
Valve does not
close / open
Air pressure
Connect
compressed air
«4.3 Compressed air
connection»
Operating
pressure
Adjust operating
pressure
Product data sheet
Voltage at
solenoid valve
Connect voltage
«4.4 Electrical connection»
Leak at gate
Gate seal all
right?
Replace valve
gate
«6.3 Replacement of valve
gate / mechanism unit»
Gate damaged or
contaminated?
Replace valve
gate
«6.3 Replacement of valve
gate / mechanism unit»
Operating
pressure
Adjust operating
pressure
Product data sheet
Leak at body
Bonnet seal and
sealing surface all
right?
Clean sealing
surface, if
necessary,
replace bonnet
seal
«6.3 Replacement of valve
gate / mechanism unit»
Bellows all right?
Contact VAT
www.vatvalve.com
Table 5-1
If you need any further information, please contact one of our service centers. You will find
the addresses on our website www.vatvalve.com.
