VAT 615 Series Installation, Operating, & Maintenance Instructions page 76

Failure
Remote operation (DeviceNet
does not work
Display shows «E 20»
(fatal error - limit stop of valve
unit not detected)
Display shows «E 21»
(fatal error - rotation angle of
valve plate limited during power
up)
Display shows «E 22»
(fatal error - rotation angle of
valve plate limited during
operation)
Display shows «E 40»
(fatal error - motor driver failure
detected)
Display shows «D999»
CLOSE VALVE does not work
OPEN VALVE does not work
POSITION CONTROL does not
work
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1½"), DeviceNet
Check
®
) - Local operation via service
port active
- Safety mode active, check for
D on display?
- Clamp coupling screw not
fastened?
- Valve plate centric adjusted?
- Valve unit heavy
contaminated?
- Valve plate mechanically
obstructed?
- Valve unit heavy
contaminated?
- Valve plate mechanically
obstructed?
- Motor power supplied?
- Safety mode active, check for
D on display?
- Safety mode active, check for
D on display?
- Safety mode active, check for
D on display?
- POSITION CONTROL
selected, check for V on
display?
Action
- Switch to remote operation.
- Provide power to motor to allow for operation.
- Refer to «Electrical connection» for details.
- Tighten screw. See chapter «Tightening torque» for details.
- Adjust valve plate according to
«Maintenance procedures».
- Clean valve unit according to
«Maintenance procedures».
- Resolve obstruction.
- Clean valve unit according to
«Maintenance procedures».
- Resolve obstruction.
- Replace control and actuating unit according to
«Maintenance procedures».
- Provide power to motor to allow for operation.
- Refer to «Electrical connection» for details.
- Provide power to motor to allow for operation.
- Refer to «Electrical connection» for details.
- Provide power to motor to allow for operation.
- Refer to «Electrical connection» for details.
- Provide power to motor to allow for operation.
- Refer to «Electrical connection» for details.
- Select POSITION CONTROL mode.
Refer to «Position control» for details.
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