Atom Incu i 101 - Page 81

Troubleshooting
MAINTENANCE
79
o “O2 sensor (L) failed calibration.”
!0 “O2 sensor (R) failed calibration.”
YES
NO
YES
YES
NO
YES
NO
YES
NO
NO
NO
YES
Recalibrate the sensor.
The alarm message disappears. Nothing abnormal
Both of the oxygen sensors are
connected properly to the sensor
module.
Connect the oxygen sensors
securely.
The connector pin of the oxygen
sensor is bent.
Replace the oxygen sensors.
Replace both oxygen sensors.
The oxygen sensors have been
used for at least one year or so.
Replace the oxygen sensors.
The oxygen sensor is defective.
Failure of the sensor module
The alarm is still displayed even
after the sensor module is replaced
with a functional one.
Failure of the detection board