TROUBLE SHOOTING
Series 616
30/56
Edition 2020-01-22
893179ED.DOCX
6
Trouble shooting
Failure
Check
Action
Power LED
-
24 V power supply ok?
-
Connect valve to power supply according to
«Functions and Wiring» and make sure that power
supply is working.
Remote operation does not
work
-
Local operation via
service port is active
-
Switch to remote operation.
LED «ERR» is on
-
Valve plate centric
adjusted?
-
Adjust valve plate according to
«Maintenance procedure».
-
Valve unit heavy
contaminated?
-
Clean valve unit according to
«Maintenance procedure».
-
Valve plate mechanically
obstructed?
-
Serious temperature
difference between valve
body and valve plate that
led to a contact between
these due material
expansion?
-
Resolve obstruction.
-
Uniform temperature between parts or contact VAT
for recommendations to your specific application.
POSITION CONTROL does not
work
-
POSITION CONTROL
not selected
-
Select POSITION CONTROL mode.
Refer to «Position control» for details.
OPEN VALVE does not work
Valve correct connected?
Refer to «Functions and Wiring» for details.
CLOSE VALVE does not work
Valve correct connected?
Refer to «Functions and Wiring» for details.
If you need any further information, please contact one of our service centers. You will find the
addresses on our website: www.vatvalve.com.
