| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| First
check that the unpleasant smells are not coming from the outside:
they can be eliminated straight away by switching on the recirculation function | Continue to Step 1 | Recirculation not working | Continue according to the
instructions for the See table L56 HEATER RECIRCULATION NOT WORKING |
| 1 | CHECKING POLLEN FILTER | All OK | Problems met | Operation |
|---|
| Check
the condition of the pollen filter | The pollen filter should be replaced
at least once a year. |
| Continue to Step 2 | Filter obstructed | Replace the filter element
( Op. 5010B09 ) |
| 2 | AIR SUPPLY DUCTS CHECK | All OK | Problems met | Operation |
|---|
| Check
the air supply ducts: they should not be obstructed with dirt or
foul smelling substances | Continue to Step 3 | Ducts obstructed | Wash the ducts |
| 3 | CHECKING HEATER RADIATOR | All OK | Problems met | Operation |
|---|
| Check
the heater radiator: the outer fins should not be obstructed with
dirt or other substances | Continue to Step 4 | Radiator dirty or obstructed | Clean or replace the radiator
( Op. 5040C50) |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |