Siemens Synco 700 Series - State Diagrams of the Individual Types of Fault

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Building Technologies Boiler Sequence Controller RMK770 CE1P3132en
HVAC Products 13 Function block “Faults“ 23.04.2009
13.6 State diagrams of the individual types of
fault
A simple fault need not be acknowledged. If there is a fault relay (see below), it must be
reset, however.
3131B09
No fault
(acknowledged)
Faulty
(acknowledged)
Fault
going
Fault
coming
When there is a simple fault, the LED is lit. When the fault is corrected, the LED extin-
guishes.
If a fault relay is configured, the LED blinks when the fault occurs and the relay is
energized. When the fault button is pressed, the relay drops out and the LED extin-
guishes. When the fault is corrected, the LED extinguishes.
A standard fault must be acknowledged.
3131B10
Fault
going
No fault, not
acknowledged
LED dark
LED flashes
Acknowledge
fault
Fault
going
LED flashesLED lit
No fault,
acknowledged
Faulty,
acknowledged
Faulty, not
acknowledged
Acknowledge
fault
Fault
coming
The LED blinks as long as the fault is not acknowledged. If the fault is still present, the
LED will be lit after acknowledgement.
3131B11
Fault
going
Faulty,
acknowledged
Faulty, not
acknowledged
Acknowledge
fault
LED off,
fault relay off
LED flashes,
fault relay on
Fault
going
Acknowledge
fault
Fault
coming
No fault,
acknowledged
No fault, not
acknowledged
LED flashes,
fault relay on
LED off,
fault relay off
Simple fault
Standard fault
Standard fault with
configured fault relay