40
LED display Cause of the fault Troubleshooting
K1
E1
T1
POWER
K2
E2
Fault T
Fault
K1
E1
T1
POWER
K2
E2
Fault T
Fault
• Undervoltage ► Check wiring
► Check power supply
K1
E1
T1
POWER
K2
E2
Fault T
Fault
K1
E1
T1
POWER
K2
E2
Fault T
Fault
• Short circuits ► Check wiring
K1
E1
T1
POWER
K2
E2
Fault T
Fault
• Inputs S34 and S43 not
activated within 0.5 s (→ 8.4.2)
• Feedback contact error
• Short circuit S34/S44
► Check wiring
► Deactivate inputs and
activate them again
K1
E1
T1
POWER
K2
E2
Fault T
Fault
• The rotary switch for
programming the switch-off
delay was changed
• Faulty programming
► Program it again (→ 9.1)
To Next Page
