Series 590
OPERATION
298292EB
Edition 2013-05-13
43/56
5.6.3
Errors
Description
Digit 1
Digit 2
Digit 3
Digit 4
Fatal error occurred
E
Error code. Refer to chapter: «Trouble shooting» for
details.
Table 5-3
5.6.4
Safety mode
By means of an external switch (see connection diagrams chapter «Electrical connection») the motor
power supply can be interrupted. In this case the valve enters the ‘safety mode’. This motor interlock
prevents the valve from moving (e.g. maintenance work). Data reading from the control unit remains
possible.
When motor interlock is active during power up the valve directly enters the ‘safety mode’ and is not
able to synchronize. Display shows ‘D C’ or ‘D999’. In this case synchronization cycle will be done
when motor interlock is deactivated. Then Display shows ‘INIT’ for a moment followed by ‘SYNC’.
When ‘safety mode’ is entered from operation (i.e. pressure control mode), the unit will automatically
switch to position control mode and remain at current position. Once motor interlock is deactivated the
unit remains in position control mode.
5.7
Operation under increased temperature
CAUTION
Hot valve
Heated valve may result in minor or moderate injury.
Do not touch valve during operation. Wait until the valve is cooled down complete
before doing any work.
This valve may be operated in the temperature range mentioned in chapter «Technical data».
NOTICE
Temperature differences
Temperature differences they may affect the performance of the valve.
Temperature differences exceeding 30°C throughout the valve are not allowed. Ideally
the valve do not get actuated until the temperature is levelled throughout the valve.
5.7.1
Bake-out
Bake out temperature
Beak-out area
Open / Close:
≤ 300°C
Actuator:
≤ 50°C
30 mm
50°C
300°C
