Alpha-InnoTec Luxtronik 2.0 User Manual

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83052300eUK © ait-deutschland GmbH
No.. Display Description Remedy
784 VSS lockdown Inverter is blocked Disconnect the complete system from
the power supply for 2 minutes.
If it occurs again, check the
inverter and compressor
785
SEC-Board defective Error found in the SEC board Replace the SEC board
786
Communication SEC -
Inverter
Fault found in communication between the SEC
and HeatingIO of the SEC
Check the Heating/IO SEC board
cable connection
787
VD alert Compressor signals faults Acknowledge fault.
If an error occurs repeatedly,
phone the authorised service
personnel (customer service)
788
Major VSS fault Fault in the inverter Check the inverter
789
LIN/Encoding not found Control unit unable to nd coding. Either the LIN
connection is interrupted or the coding resistor
is not detected
Check the connection cable LIN /
coding resistor
790
Major VSS fault Fault in the power supply of the inverter /
compressor
Check the wiring, inverter and
compressor
791
Lost ModBus
communication
SEC board no longer reachable for some time.
791 is triggered if an HeatingIO board has been
found (without separate coding), but no SEC
board can be detected on it
If it concerns the SEC
conguration, test the ModBus
cable between the HeatingIO and
SEC board. Also check the SEC
board to see whether everything is
ashing as it should
If it is NOT a conguration with
SEC board (e.g., because it
concerns a P184 unit), check the
coding resistor of the HeatingIO
792
LIN-connection lost Unable to nd a master board or any
conguration
Check the coding connector on the
LIN board(s)
793
Major VSS fault Temperature sensor fault in the inverter Fault acknowledges itself
acknoWledgIng a fault
If a fault occurs and an error message appears in the screen, then:
Notice error number…
Acknowledge error message by pressing the „rotary pushbutton“ (for 7 seconds).
The screen changes from the error message to the navigation screen…
If this error message occurs again, contact the tter or authorised service personnel (= customer service),
if the error message prompted you to do this. Communicate error number and arrange further procedure.
flashIng codes on controller board
Only LWD…, LW… /V and SWP 371 to SWP 691, SWP 291H to SWP 561H:
Green LED ashes every second everything ok
Red LED ashes briey for short Data being received over LIN bus
Green and red LED light up The board can receive a software update
During the software update the green LED is lit and the red one ickers quickly

Alpha-InnoTec Luxtronik 2.0 Specifications

General

Brand	Alpha-InnoTec
Model	Luxtronik 2.0
Category	Controller
Language	English