PNOZ s4
Operating Manual PNOZ s4
21396-EN-21
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IN1, IN2 sim-
ultaneously
FAULT
Diagnostics: Power-up blocked due to short-term interruption at S12 and S22;
channels in the input circuit not opened simultaneously.
} Remedy: Open S11-S12 and S21-S22 simultaneously and then close again.
START FAULT
Diagnostics: Position of rotary switch is not permitted or rotary switch was ad-
justed during operation.
} Remedy: Switch supply voltage off and then on again.
POWER, IN1, IN2, OUT, START, FAULT
Diagnostics: The operating mode selector switch "mode" is in its start position
(vertical position)
} Remedy: Switch off the supply voltage and set the required operating mode
on operating mode selector switch "mode".
Faults - malfunctions
} Contact malfunctions: If the contacts have welded, reactivation will not be possible after
the input circuit has opened.
Dimensions in mm
*with spring-loaded terminals
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