Possible situations when
creating circuit diagrams
249
1SVC 440 795 M0100
Input not detected
Loose terminal contact Check installation
instructions, check
external wiring
No voltage to switch/button
Wire breakage
CL input is faulty Replace logic relay
Relay output Q does not switch
and activate the load
Logic relay in STOP mode Select RUN mode
No voltage at relay contact Check installation
instructions, check
external wiring
Logic relay power supply interrupted
CL circuit diagram does not activate
relay output
Wire breakage
CL relay is faulty Replace logic relay
Possible situations when
creating circuit diagrams
Explanation Remedy