Rectifying the fault
Leuze electronic
MLD 300, MLD 500
81
Table 11.2:
Meaning of the display of the multicolor indicator on the MLD 330, MLD 335, MLD 530,
MLD 535
11.5 Error message query via AS-Interface
The P1 parameter which is read out by the AS-i master via the AS-i safety sensor parameter port contains
interfering signal information see chapter 7.1.3 „AS-i signal assignment“.
Display
Meaning
Measures
Green, continuously illumi
-
nated
OSSD on, no muting
none
Red, continuously illumi
-
nated
OSSD off, no muting
none
White, continuously illumi
-
nated
OSSD on, valid muting state
none
White, flashing
OSSD on, muting error or no
valid muting condition
Check whether the muting timeout has
been exceeded or the concurrency con
-
dition (both muting signals within 4 s) has
not been met.
Alternating red/white
OSSD off, muting error or no
valid muting condition
Check whether the muting timeout has
been exceeded or the concurrency con
-
dition (both muting signals within 4 s) has
not been met.
Red flashing, slowly (1 Hz)
OSSD off, device error/wiring
error
Check the wiring.
Red flashing. quickly (10 Hz) OSSD off, internal error
If a restart is unsuccessful, contact cus
-
tomer service.
Green flashing, slowly
(1 Hz)
OSSD on, weak signal
Check the alignment or clean the beam
exit window.
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