Error code

ACS Klima ERV All models code X21

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Meaning

X21-1 X21-2 DO1 X21-3 MCB-OFF IN DDCS TX DDCS RX X22-1 X22-2 DO2 X22-3 X24 6V -1 DC X23-1 X6-2 X23-2 DO3X X6 6- -3 4 X23-3 X24-1 X24-2 DO4 POWER X24-3 OK X25-1 X25-2 DO5 X25-3 X26-1 LINK X26-2 DO6 ERROR X26-3 N ADO DD RE ESS X11 D-1 I1 DI1 X11-2 X11-3 DI2 DI2 X11-4 X11 D-5 I3 DI3 X11-6 X11-7 DI4 DI4 X11-8 X11 D-9 I5 DI5 X11-10 X12-1 DI6 DI6 X12-2 X12-3 DI7 DI7 X12-4 X12-5 DI8 DI8 X12-6 X12-7 X12D -8I9 DI9 X X1 12 2D- -9 1I1 00 DI10 X13-1 DI11 X13-2 DI11 X13-3 DI12 X13-4 DI12 X13-5 DI13 X13-6 DI13 X13-7 DI14 X13-8 DI14 VIR OK X13-9 24 VIR X13-10 OVIR -O AV I1 ++ A10 I1V S1 1234 AAAAI II I1 21 2 2 21 10 00 0m mV VA A - - - -A A A AI I I O2 3 4 1 ++ + + AA A A OI I I2 3 4 1 S2 1234 AAAAI II I3 43 4 2 21 10 00 0m mV VA A -AO2 +AO2 IOEC OFF ON I/O-INTERFACE

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Possible causes

A1541

Solution

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