Philips 4000 - Coffee Lack Detection an Coffee Grinder Blocked

PHILIPS 4000 and 3000 04 OPERATING LOGIC
5/10
Whenthecoffeegrinderisworking,thesoftwaremonitorsthecurrentconsumption.Ifthecurrent
valueisverylow,themachineconcludesthatcoffeeismissing;ifthecurrentvalueisveryhigh,the
machineconcludesthatthecoffeegrinderisblocked;instead,ifthecurrentvalueisinthemiddle,
the machine concludes that all is ok and it goes on to do the product.
Because the current consumption of grinder changes depending on the situations (motor new or
old,coldorhot,etc.,coffeeblends),thesecurrentthresholdsarenotstatic,butdynamic.
1) When the system get the stability (i.e. the system got the current target) the coffee doses
should be:
A1 A2/3 A4/5
7,59,010±1,5grams
withmediumgrinding(500±60μm)andusingcoffeeoftest.
2) the 3 grinding times are always:
T
1<T2<T3
beside,everygrindingtimeis,respectively:
4,0s≤T3 ≤10s (10000ms)
3,5s≤T2 ≤9s (9000ms)
3,0s≤T1 ≤8,1s(8100ms)
 4.4.2.Coffeelackdetectionandcoffeegrinderblocked
DOSE ADJUSTMENT
5 levels
Grinder
Time
Min
Grinder
Time
Max
Grinder
Time
Curret target
Aroma
of the
grinded
product
Aroma1
Very Light
T1 3s 8,1s I0 + 55mA
Aroma2
Light
T2 3,5s 9s I0 + 100mA
Aroma3
Med
Aroma4
Strong
T3 4s 10s I0 + 200mA
Aroma5
Very Strong