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8.5.3 Fault diagnosis
In case of a fault switch the safety relay off and on again!
LED display
Cause of the fault
Troubleshooting
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
•
No voltage supply
•
Overvoltage
►
Check wiring
►
Check power supply
K1
E1
T1
POWER
K2
E2
Fault
T
Fault
•
Short circuit
•
Wire break
►
Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Fault
•
Short circuit
•
Wire break
►
Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Fault
•
Short circuit
•
Wire break
►
Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
•
Feedback contacts open
•
Wire break
►
Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
•
When voltage is applied:
Feedback contacts open
►
Check output circuit
►
Check feedback contacts
►
Exchange external contactor
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
•
Wiring fault
• Missing link Y4/Y5
•
Short circuit
►
Check wiring
Summary of Contents for efector 110 G1502S
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