Applicable to: B22 and B25 (a ll versions)
Revision 1.3 – 02/24/ 2015
Manual B – Operations
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installed exclude the main ECU, if the fault persists, turn on the main ECU and exclude
the auxiliary ECU.
o
Gradually reduce the engine RPM to look for a setting in which the vibrations are
lower.
o
if it does doesn’t work increase the RPM looking for a new setting in which the
vibrations are lower
o
Land as soon as possible.
B.7.4.14. Irregular Operation
o
Verify on the ES-m instrument the operational status of the ECUs and fuel pumps and
eventually exclude the component in failure. If the ES-m instrument is not installed, select the
auxiliary ECU or the auxiliary RPM sensor, depending on the engine version.
o
Make sure the fuel valve is not accidentally closed.
o
If installed, turn on the auxiliary fuel pump.
o
Vary the engine RPM to try to improve regularity of operation.
o
Land as soon as possible.
