Philips 4000 Service Manual page 35

PHILIPS 4000 04 DIAGNOSTIC MODE
The machine starts the Steam Out and the display change the backlight (yellow
for HD Models or White for EP Models) and appears the indication "ON". While
the Steam Out runs the Electro valve is opened and water comes out the Water/
Steam pipe.
When the Steam Out is complete the message "COMPLETE" is shown on the
Display.The Electro valves automatically closes and the machine can be switched
off.
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