Philips EP Series
Sequence of
actions by user
Reaction of the appliance
PASS FAIL Cause of failure Solution
Press button K
L Magenta ON in UI panel + L OFF & BoxK
Magenta
L damaged Change UI boad
L(!W) ON & BoxK
Magenta
L wrong color Change UI boad
Other Lx toggle Short circuit in Led Change UI boad
BoxK Magenta in Display +
Other BoxKx Magenta Short circuit in Buttons Change UI board
Hear the feedback sound.
It’s not possible to hear
the sound
The drive of the Buzzer
or the Buzzer in the
Main is damaged
Change Main
Board
The sound is persistent
The drive of the Buzzer
or the Buzzer in the
Main is damaged
Change Main
Board
Press button K
L Yellow ON in UI panel + L OFF & BoxK Yellow L damaged Change UI boad
L(!W) ON & BoxK
Yellow
L wrong color Change UI boad
Other Lx toggle Short circuit in Led Change UI boad
BoxK Yellow in Display +
Other BoxKx Yellow Short circuit in Buttons Change UI boad
Hear the feedback sound.
It’s not possible to hear
the sound
The drive of the Buzzer
or the Buzzer in the
Main is damaged
Change Main
Board
The sound is persistent
The drive of the Buzzer
or the Buzzer in the
Main is damaged
Change Main
Board
Test mode