If my form field is defined as 

```
occBarcodeProduct: new FormControl({ value: '', disabled: true, updateOn: 'blur'},
                                    Validators.required,
                                    null
),

```

the field shows the initial value : `[object object]`

if the definition is reduced to :

```
occBarcodeProduct: new FormControl('',
                                    Validators.required,
                                    null
),

```

the field displays empty, as expected.

I am new to Angular so not sure how to narrow the problem further.