PHILIPS 4000 04 DIAGNOSTIC MODE
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Start condition
Press the Z4 button to switch on the grinder.
e grinder rotates and in the indication GRINDER the number increasing up
to 5000 (5seconds test). e other numbers inside the GRINDER box are not
important for this test (this screen is for HD Models).
is screen is for EP Models.
ERROR: if the numbers remains 0 or the grinder does not run,or the display
backlight changes from green (for HD models) or white (for EP models) to
red; check the operation of the Grinder or the wiring from the Grinder to the
CPU/POWER board (JP8 Electrical diagram)
Check the temperature
e number shows the heater temperature.
ERROR: In the indication HEATER appears “SHORT”, the NTC temperature-
sensor is in short circuit, the display backlight changes from green (HD Mod-
els) or white (EP Models) to red;
ERROR: In the indication HEATER appears “OPEN”, the NTC temperature-
sensor is detached or broken, the display backlight changes from green (HD
Models) or white (EP Models) to red; check the wiring from the NTC temper-
ature-sensor to the CPU/POWER board (JP13 Electrical diagram).
Press the Z1 button to switch on the Heater
e absorbed current ( Amperometer on the main supply) is OK, the indica-
tion HEATER changes from “OFF” to “ON” and the temperature starts increas-
ing.
7000 7 sec. grinding in medium aroma (the number can vary during operation
of the machine)
5000 5 sec. grinding of the coee grinder in functionality test
523 Number of half-waves that reads the sensor (may vary)
2273 Average distance of the sensor impulse beds (may vary)
2000 Average of the last 4 millings in the normal mode as above (2273)
Page 5 (Heater , Grinder): This test directs the correct operation of the Boiler and the Grinder:
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