D-Box User's Manual
English
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tiko Energy Solutions AG
IM-0007-0006 Rev. 5
LED Explanation
The D-Box features one LED in the middle of the device. It is only visible when lit.
•
In normal operation:
LED
Status
Notes
Off
Operational
Blinking yellow,
2x per second
No PLC connectivity
Blinking yellow,
1x per second
No
connection
to
cloud/back-end
Red
Power-on self-test failure.
For example, when wrongly wired
Blinking red
Emergency mode
Device is damaged or has hardware mal-
function. The relay is closed so that the
heater can be operated manually.
•
In firmware upgrade mode:
LED
Status
Notes
Blinks
yel-
low/green
2x
per second
Device running firmware
upgrade
•
If the button is pressed for one second, the LED displays the quality of the com-
munication to the
Gateway:
LED
Status
Notes
Steady Red
No connectivity
Since the last start of the device, it did not
receive any data.
Blinking yellow,
4x per second
No communication for 2
minutes
At least one data packet was received, but
for 2 minutes the device did not receive
any signal.
Steady Green
The communication is in
the optimal state
•
In Heater Test mode: see section
Heater Test
.