Philips EP 4300 Series - Level 2: Loads and Sensors


Level 2 (Loads and Sensors)
Start condition: NO BU, NO drag
drawer, Door open, No Water
UI/DISPLAY STATUS
Sequence of
actions by user
Reaction of the appliance
PASS FAIL Cause of failure Solution
Check the start
condition
• Lx OFF in UI panel +
• BoxT Red in Display
BoxT Red in Display
BoxT Green in Display
Water level sensor
damaged (short circuit)
Change Water
level sensor
Connector JP in
Main damaged (short
circuit)
Change Main
board
uP U in Main
damaged (short circuit
in Pin)
Change Main
board
BoxT Green in Display
L damaged Change UI boad
The Microswitch is not
well placed
Check assembly
of microswitch
Microswitch damaged
(short circuit)
Change
microswitch
Connector JP in
Main damaged (schort
circuit)
Change Main
board
uP U in Main
damaged (short circuit
in Pin)
Change Main
board
Insert BrewUnit
& Close Door (No
Dump Box)
No changes
BoxT Green in Display
Assembly issue of
the microswitch or
mechanical lever.
Check icroswitch
position and
mechanical lever.
Insert a full
water tank
• Lx OFF in UI panel +
BoxT remain Red in
Display
Water level sensor not
in position
Change the
position
of Water level
sensor
Water level sensor
damaged (open
circuit)
Change Water
level
sensor
Test mode