ABB CL Series Applications Manual page 252

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