Leuze electronic MC330-S1x, Original Operating Instructions

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Leuze electronic MC3x 42
After switching on the Safety Relay, display elements (see chapter 3.1 Device overview ) assist in
checking the proper function and troubleshooting.
In case of failure, use the LEDs to recognize the fault and initiate rectification measures.
 Switch off the machine and protect it against being restarted.
 Analyze and eliminate the cause of the fault using the following table.
 If you are unable to rectify the fault, contact the Leuze branch responsible for you or call the Leuze
electronic Hotline (see chapter 12 Service and support ).
-
On Supply LED on K1, K2 off Guard open Close the guard.
On Supply LED on K1, K2 off Sensor incorrectly
aligned
Correct the sensor again.
On Supply LED on K1, K2 off Actuator missing Mount the corresponding actua
-
tor.
On Supply LED on K1, K2 off Sensor defective Replace the respective sensor.
On Supply LED off K1, K2 off Fuse U
b
defective Replace fuse U
b
.
On Supply LED off K1, K2 off MSI-MC310 defec
-
tive
Replace the Safety Relay.
Off Supply LED off K1, K2 off No operating volt
-
age
Switch on the power supply unit.
??? Supply LED off K1, K2 off Power supply unit
defective
Replace the power supply unit.
On Supply LED on K1, K2 on External fuse in
switch-off circuit
defective
Replace the external fuse.
On Supply LED off K1, K2 off External short circuit
U
b
Rectify the short circuit and
replace the fuse.
On Supply LED on K1, K2 on External cross con
-
nection in the
switch-off circuit
Rectify the cross connection and
replace the fuse.