Led Status Displays; Led Status Display Upon Device Start-Up - ISE smart connect Modbus Vaillant Product Manual

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)

Off

Off
......
Green
Flash slowly

Green
......
Green
Flash quickly
...............
...............
Flash slowly in an
alternating fashion
Order No. S-0002-007
LED "COM"
Meaning
(yellow)
No power supply: Please check connec-

Off
tions and power supply.

Yellow Device starting up.

Yellow Device starting up.

Yellow Device booted up and ready for operation.
Error – Please contact support. The firm-

Off
ware cannot be started.
Error – Please contact support.
Green
Yellow The newly loaded firmware cannot be
started. The system is trying to activate
the previous firmware (invalid firmware).
ise smart connect Modbus Vaillant
Commissioning
Product Manual Page 27 (45)
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