Annex C Messages of DUT-E CAN data transfer protocol
DUT-E fuel level sensors. Operation manual. Version 8.1
© Technoton, 2020 111
DUT-E CAN data transfer protocol is using malfunctions codes (FMI) according to table C.2.
Table C.2 — DUT-E CAN malfunctions codes (FMI)
Sensor is not calibrated (the
difference between
calibration frequencies of
signal generator with
minimum and maximum fuel
levels is less than 100 Hz)
Check if the measuring probe
actual size value is inserted
correctly and (or) recalibrate
the sensor*
Sensor is not calibrated for
maximum fuel level
Signal generator is not
functioning. Possible short
circuit in measuring probe
tubes
Wash the measuring probe
tubes with clean fuel, clean
fuel tank of mud and water.
Calibration values for
minimum and maximum fuel
levels in the sensor differ
less than 5 Hz
Check if the measuring probe
actual size value is inserted
correctly and (or) recalibrate
the sensor*
Current frequency of the
signal generator is more
than fixed one when
calibrating for minimum
(the difference is more than
100 Hz)
Check if the measuring probe
actual size value is inserted
correctly and (or) recalibrate
the sensor*
* Fuel tank calibration table should be recompiled and recorded all over again into sensor
internal memory.
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