Philips EP 5400 Series - Page 37


Sequence of
actions by user
Reaction of the appliance
PASS FAIL Cause of failure Solution
Press button K
L Blu ON in UI panel + L OFF & BoxK Blu L damaged Change UI boad
L (!W) ON & BoxK Blu L wrong color Change UI boad
Other Lx toggle Short circuit in Led Change UI boad
BoxK Blu in Display +
Other BoxKx Blu 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 Green ON in UI panel + L OFF & BoxK Green L damaged Change UI board
L(!W) ON & BoxK
Green
L wrong color Change UI board
Other Lx toggle Short circuit in Led Change UI board
BoxK Green in Display +
Other BoxKx Green 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
Test mode