IFM Electronic G1502S - Page 26

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LED display Cause of the fault Troubleshooting
K1 E1 T1 POWER
K2 E2
Fault T
Fault
• Short circuit S43/L+ or S34/S44 ► Check wiring
K1 E1 T1 POWER
K2 E2
Fault T
Fault
• Missing clock
• Wiring fault
• Connection A2/A3 reversed
• Short circuit S43/L-
► 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
Fault
• Overvoltage
• Undervoltage
► Check wiring
► Check power supply
K1 E1 T1 POWER
K2 E2
Fault T
Fault
K1 E1 T1 POWER
K2 E2
Fault T
Fault
• Undervoltage ► Check wiring
► Check power supply