Operation and diagnostics
Operating Manual PNOZ s30
1001715-EN-19
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11 Operation and diagnostics
11.1 LED indicators
Legend
LED on
LED flashes
LED Error
Power In1 In2 Rel 1 Rel 2 Fault
Supply voltage is present
At least one of the internal supply
voltages is outside the permitted range.
A high signal is present on track A (ter-
minal In1 or RJ45).
Error on track In1 or A
A high signal is present on track B (ter-
minal In2 or RJ45).
Error on track In2 or B
Relay output 1 is switched on
Error on relay output 1
Relay output 2 is switched on
Error on relay output 2
Fault that can be repaired by the user
leading to safe condition.
Internal error leading to a safe condition.