Burkert 8791 REV.2, Operating Instructions Manual, Page: 33 / 81

33
Operation
9.3.4.1 Valve mode
Displays in valve mode:
•
Valve position: open, in between, closed
•
Device status: failure
Valve position Valve position
State, colour
Device status: failure
State, colour
open is lit yellow
15)
flashes red alternately with yellow
15)
in between is lit white
15)16)
flashes red alternately with white
15)16)
closed is lit green
15)
flashes red alternately with green
15)
Table 11: Valve mode
9.3.4.2 Valve mode + warnings
Displays in valve mode + warnings:
•
Valve position: open, in between, closed
•
Device status: failure, function check, outside the specification, maintenance requirement (according to
NAMUR)
Valve position Device status
State,
colour
Normal operation
open is lit yellow
15)
--
in between is lit white
15)16)
--
closed is lit green
15)
--
Table 12: Valve mode + warnings, normal operation
If several device statuses exist simultaneously, the highest priority device status is displayed.
Valve position Device status
Failure Function check Outside the
specification
Maintenance
required
State,
colour
State,
colour
State,
colour
State,
colour
open flashes red flashes orange flashes yellow flashes blue alternately with yellow
15)
in between flashes red flashes orange flashes yellow flashes blue alternately with white
15)16)
closed flashes red flashes orange flashes yellow flashes blue alternately with green
15)
Table 13: Valve mode + warnings, device status
The LEDs briefly go off between colour changes for warning messages.
For localisation, the colours only display as flashes.
15) Factory setting, selectable colours for valve position: off, white, green, blue, yellow, orange, red
16) From firmware A.1.6
Type 8791, REV.2
english