Installation, Operating & Maintenance Instructions
Series 612 DN 250 (I.D. 10”), EtherCAT
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
282408EB
2012-04-23
64/81
4
Trouble shooting
Failure
Check
Action
No dots lighted on display
-
24 V power supply ok?
-
Connect valve to power supply according to
«Electrical connection» and make sure that power supply is
working.
Remote operation does not work
-
Local operation via service
port active
-
Switch to remote operation.
-
Safety mode active, check for
D
on display?
-
Provide power to motor to allow for operation.
-
Refer to «Electrical connection» for details.
Display shows «
E 20
»
(
fatal error
- limit stop of valve unit
not detected)
-
Clamp coupling screw not
fastened?
-
Tighten screw. Refer to «Tightening torque» for details.
Display shows «
E 21
»
(
fatal error
- rotation angle of valve
plate limited during power up)
-
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?
-
Resolve obstruction.
Display shows «
E 22
»
(
fatal error
- rotation angle of valve
plate limited during operation)
-
Valve unit heavy
contaminated?
-
Clean valve unit according to
«Maintenance procedure».
-
Valve plate mechanically
obstructed?
-
Resolve obstruction.
Display shows «
E 40
»
(
fatal error
- motor driver failure
detected)
-
Replace control and actuating unit according to
«Maintenance procedure».
Display shows «
D 0
»
Motor Interlock is open
-
Motor power supplied?
-
Provide power to motor to allow for operation.
-
Refer to «Electrical connection» for details.
Display shows «
SR
»
(Service Request)
-
Valve unit heavy
contaminated?
-
Clean valve unit according to
«Maintenance procedures».
CLOSE VALVE does not work
-
Safety mode active, check for
D
on display?
-
Maintenance mode active
-
Provide power to motor to allow for operation.
-
Refer to «Electrical connection» for details.
-
Refer to “Display shows «
M C
»” in this table
OPEN VALVE does not work
-
Safety mode active, check for
D
on display?
-
Maintenance mode active
-
Provide power to motor to allow for operation.
-
Refer to «Electrical connection» for details.
-
Refer to “Display shows «
M100
»” in this table
Display shows «
M C
»
Maintenance mode active
-
Pin 14 of service connector is connected to ground. Plate
will close. Further movement of plate is blocked.
1)
Display shows «
M100
»
Maintenance mode active
-
Pin 13 of service connector is connected to ground. Plate
will open. Further movement of plate is blocked.
1)
POSITION CONTROL does not work
-
Safety mode active, check for
D
on display?
-
Provide power to motor to allow for operation.
-
Refer to «Electrical connection» for details.
-
POSITION CONTROL
selected, check for
V
on
display?
-
Select POSITION CONTROL mode.
Refer to «Position control» for details.
1) Priority of pin 14 is higher than pin 13. If pin 14 is connected to ground after pin 13 the valve will close.
Ground of service connector is at pin 4 and 8.
