Philips 4000 Service Manual page 45

PHILIPS 4000 and 3000
Page 3 (BU)
Insert a full Water Tank
The indication H20 changes from "N" to "Y".
Note: the switching from "N" to "Y" requires about 1-2 seconds.
ERROR: The indication TANK-H2O doesn't change; check the
capacitive sensor (fixing) and the wiring (JP23)
Insert the BrewUnit
The indications BU-P changes from "N" to "Y".
Note: removing the BrewUnit the indication from "Y" to "N" requires
about 2-3 seconds to switch.
ERROR: Check the BU presence Microswitch and the wiring (JP16).
Close the Door and Dreg Drawer
The indication DOOR change from "N" to "Y"
ERROR: The indication DOOR does not change; check
the Microswitch for the door and the wiring (JP14).
Note: without the Dreg Drawer correctly inserted the DOOR indica-
tion cannot change!
Move Lever to Coffee Position
The indication DRIP change from "N" to "Y"
ERROR: The indication DRIP does not change; check the Lever
sensor, the connector in PCB interface (JP4) or the cabling
between Lever sensor and interface
Move the lever in Espresso position
The indication ESP change from "N" to "Y"
ERROR: The indication ESP does not change; check the Lever
sensor, the connector in PCB interface (JP4) or the cabling
between Lever sensor and interface.
Press Z7 "
" to move to the next screen
The machine passes to the Page 3 (BU PAGE)
Start condition
Press the Z1 button to move the BU to Work
IMPORTANT NOTE: If the DREGDRAWER is not inserted or the
DOOR is not closed the BU test cannot be performed. If these 2
inputs are not in the right position, a warning message will be
shown and the display turns to yellow.
05 SERVICE MODE
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