Pilz PSEN ml b 1.1 Operating Manual page 44

Operation
Device
Green
Warnings
Device
Green
Green
Yellow
Operating Manual PSEN ml b 1.1/2.1/2.2, PSEN ml DHM
1005444-EN-02
LED status
Safety Gate Input
Yellow Yel-
low
LED status
Safety Gate Input
Yellow Yel-
low
Display not defin-
itive
Yel-
low
Display not defin-
itive
Yel-
low
Lock
Safety gate closed, actuator detec-
ted, guard locking activated
Green
Switch status
Lock
Safety gate
closed, actuator
detected, guard
locking cannot be
Green
activated / deac-
tivated
The supply
voltage to safety
inputs S31 and
S41 was
switched back on
before the auxili-
ary release
screw was turned
back.
Guard locking pin
is in an interme-
diate position
Yellow
Display not Safety switch
definitive active despite
over or under-
voltage
Switch status
Remedy / meas-
ure
Check the actu-
ator's
alignment [
to the safety
switch.
Turn back the
auxiliary release
screw and then
switch the supply
voltage on (see
Recommissionin
g [ 19]).
Check the supply
voltage.
If safety inputs
S31 and S41 are
activated or de-
activated while
an undervoltage
warning is
present, the
safety switch
switches to a
fault condition.
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