ise smart connect Modbus Vaillant
Commissioning
Order No.
S-0002-007
Product Manual Page 27 (45)
5.2
LED status displays
The device features three status LEDs on the upper housing side and two status LEDs on the network
connections.
The LED displays have
different meanings
while the device is starting and
during operation.
5.2.1
LED status display upon device start-up
After the power supply (DC 24 V on the yellow-white connection terminal) is switched on or after a re-
turn in voltage occurs, the device indicates its status through the following LED combinations:
LED
"APP"
(green)
LED "COM"
(yellow)
Meaning
Off
Off
No power supply: Please check connec-
tions and power supply.
Off
Yellow
Device starting up.
……
Green
Flash slowly
Yellow
Device starting up.
Green
Yellow
Device booted up and ready for operation.
……
Green
Flash quickly
Off
Error
– Please contact support. The firm-
ware cannot be started.
…
…
…
…
…
Green
…
…
…
…
…
Yellow
Flash slowly in an
alternating fashion
Error
– Please contact support.
The newly loaded firmware cannot be
started. The system is trying to activate
the previous firmware (invalid firmware).
