![IFM Electronic efector 100 G1502S Original Operating Instructions Download Page 45](http://html1.mh-extra.com/html/ifm-electronic/efector-100-g1502s/efector-100-g1502s_original-operating-instructions_3909259045.webp)
45
UK
LED display
Cause of the fault
Troubleshooting
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
• Connection A2/A3 reversed
► Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
• Missing link Y4/Y5
► Check wiring
K1
E1
T1
POWER
K2
E2
Fault
T
Fault
• Overvoltage
• Undervoltage
► Check wiring
► Check power supply
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
• Overvoltage
• Undervoltage
► Check wiring
► Check power supply
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
K1
E1
T1
POWER
K2
E2
Fault
T
Faul
t
• Undervoltage
► Check wiring
► Check power supply