312003006 - P1206 Particulate filter (1st level of clogg. exceeded)

The diagnostic equipment signals: Error P1206 (Particulate filter - 1st blockage level exceeded).
This error only indicates to the user that the filter regeneration is necessary using the manual or forced procedure
Test results
0Preliminary checksAll OKProblems encounteredOperation
Select the following system on the diagnostic equipment: Marelli 6F3 diesel electronic injection system.Delete the errors memorized.Carry out the regeneration of the particle filter    Op. 0520G12 PARTICULATE FILTER (D.P.F.) - REGENERATION EXAMINER checking that the outcome is positiveMove on to Step 1The regeneration failsContinue as instructed by the diagnostic equipment
1Oil level checkAll OKProblems encounteredOperation
Check that the engine oil level in the sump is not beyond the maximum limitMove on to Step 2Oil level beyond the maximum limitRestore correct oil level.
2Air flow meter checkAll OKProblems encounteredOperation
Check that the flow meter is working properly by carrying out the    See Test 1060GS FLOW METER OPERATION CHECKMove on to Step 3Flow meter incorrectly adjustedFlow meter replacement    Op. 1060G10 AIR FLOW METER - R.R.
3Injector checkAll OKProblems encounteredOperation
Check that the washers are correctly positioned/fitted on the injectorsMove on to Step 4Washers incorrectly positioned on the injectorsReposition the washers correctly on the injectors.
4Exhaust pipe checkAll OKProblems encounteredOperation
Check that the exhaust pipe is not blocked or distortedMove on to Step 5Exhaust pipe blocked or distortedReplace the exhaust pipe.
5Check the differential pressure sensor pipesAll OKProblems encounteredOperation
Check that there are no obstructions in the differential pressure sensor pipesMove on to Step 6Differential pressure sensor pipes blocked.Remove the obstruction from the differential pressure sensor pipes.
6Check on the operation of the differential pressure sensorAll OKProblems encounteredOperation
Check correct operation of the differential pressure sensor by carrying out the    See Test 1080BF DIFFERENTIAL PRESSURE SENSOR OPERATION CHECK End of diagnosis