VAT 61228-KAGG-0002 - Trouble Shooting

TROUBLE SHOOTING
Series 612
58/83
Edition 2013-04-12
601894EA
6 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
- Safety mode active, check for D on
display?
- Switch to remote operation.
- Provide power to motor to allow for
operation.
- Refer to «Electrical connection» for
details.
Display shows «E 20»and position is
009999
(fatal error - limit stop of valve unit not
detected)
Clamp coupling screw not fastened?
Tighten clamp coupling screw. Refer to
chapter «Maintenance» for details.
RESET or restart of valve is necessary.
Display shows «E 21»and position is
009999
(fatal error - rotation angle of valve
plate limited during power up)
- Valve plate centric adjusted?
- Valve unit heavy contaminated?
- Valve plate mechanically obstructed?
- Adjust valve plate according to
«Maintenance procedure».
- Clean valve unit according to
«Maintenance procedure».
- Resolve obstruction.
- Reset control unit. Cycle power
(OFFàON)
or
- Send reset command: local via service
port with CV/CPA/Service Box2
Display shows «E 22»and position is
009999
(fatal error - rotation angle of valve
plate limited during operation)
- Valve unit heavy contaminated?
- Valve plate mechanically obstructed?
- Clean valve unit according to
«Maintenance procedure».
- Resolve obstruction.
- Reset control unit. Cycle power
(OFFàON)
or
- Send reset command: local via service
port with CV/CPA/Service Box2
Display shows «E 40»and position is
009999
(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? Or gate
seal is sticking.
- Clean valve unit according to
«Maintenance procedures».
- Reset control unit. Cycle power
(OFFàON)
or
- Send reset command: local via service
port with CV/CPA/Service Box2