Troubleshooting
Leuze electronic
MLC 520 EX
47
E02
Overload on OSSD1
Check the wiring or exchange the
connected component (reducing
the load).
Automatic reset
E03
Overload on OSSD2
Check the wiring or exchange the
connected component (reducing
the load).
Automatic reset
E04
High-impedance short circuit to
VCC OSSD1
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E05
High-impedance short circuit to
VCC OSSD2
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E06
Short circuit against GND at
OSSD1
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E07
Short circuit a24 V at
OSSD1
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E08
Short circuit against GND at
OSSD2
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E09
Short circuit a24 V at
OSSD2
Check the wiring. Exchange the
cable, if applicable.
Automatic reset
E10, E11
OSSD error, source unknown
Check the wiring. Exchange the
cable and the receiver if neces
-
sary.
Automatic reset
E14
Undervoltage (< +15 V)
Supply the device with the correct
voltage.
Automatic reset
E15
Overvoltage (> +32 V)
Supply the device with the correct
voltage.
Automatic reset
E16
Overvoltage (> +40 V)
Supply the device with the correct
voltage.
Locking
E17
Foreign transmitter detected
Remove foreign transmitters and
increase the distance to the reflec
-
tive surfaces. Actuate the start but
-
ton if available.
Locking
E18
Ambient temperature too high
Ensure correct environmental con
-
ditions
Automatic reset
E19
Ambient temperature too low
Ensure correct environmental con
-
ditions
Automatic reset
E22
Interference detected on plug
pin 3. Signal output: output signal
is not equal to the signal input
read-back value: it switches simul
-
taneously with the other signal
line.
Check the wiring.
Automatic reset
Faults
Cause/description
Measures
Sensor behav
-
ior
