Leuze electronic MLC 520 EX Series - Page 47

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 against +24 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 against +24 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