250
8 CO/O
2
Control
0006
O
2
fault
ot
od
O
2
measured value is outside the upper monitoring band.
The first upper monitoring band was exceeded for too long.
– Check the following and adjust if necessary:
– Correction range
– Electronic ratio control
– Setpoint curve
No. O
2
faults –
information
Fault description
0008 O
2
fault
od
ot
O
2
measured value is outside the 1
st
lower monitoring band.
The first monitoring band was undershot for too long.
– Check the following and adjust if necessary:
– Correction range
– Electronic ratio control
– Setpoint curve
0009 O
2
fault
Half air shortage reached.
O
2
value is too small
– Expanded control strategy: Air supply is increased.
The automatic, expanded control strategy increases the air
supply.
0011 O
2
fault Invalid O
2
measured value on LSB.
Lambda Transmitter is in cold start, adjustment mode or cali-
bration mode (do not measure).
– Wait until cold start has finished or leave adjustment mode
or calibration mode.
– Is LSB connected to Lambda Transmitter?
– Is Lambda Transmitter switched ON?
– Is LSB in fault condition (ERR LED is ON on LCM100)?
0012
O
2
setpoint curve is incorrect.
O
2
setpoint curve is empty or contains less than 3 points.
– Check and correct setpoint curve.
0013 O
2
fault
ot Air deficiency: O
2
trim has been deactivated.
O2 actual value is permanently too small.
Due to insufficient air the control was deactivated.
A Replacement value for insufficient air is indicated as the cor-
rection.
0018 O
2
fault
od Internal fault: O
2
setpoint curve is incorrect.
– Reset fault
– If the fault still exists:
Send error number and diagnostic code to the technical
support.
– Replace the device
0020 O
2
fault
Internal fault: O
2
trim fault
– Reset fault
– If the fault still exists:
Send error number and diagnostic code to the technical
support.
– Replace the device
No. CO faults -
information
Fault description