Philips EP 4300 Series - Page 49


Sequence of
actions by user
Reaction of the appliance
PASS FAIL Cause of failure Solution
Brew Unit (Test valid only if the Brew Unit is inserted)
Press and release
K to move BU
to work.
N.B:
* If the BU is
already moving
to home
then stop the
movement and
change the
direction into
work.
* If the BU is
already moving
to work then stop
the movement.
• L White ON in UI panel +
• BoxK White in Display +
BoxT Green in Display +
BoxT Green in Display
• BU Move to Work
BU not move
Wiring of the BU motor
not connected
Check the wiring
Wiring of the BU motor
damaged (open)
Change Main
Board
Motor of BU damaged
Change the BU
motor
The drive of the
motor in the Main is
damaged
Change Main
Board
BU blocked Check the BU
Gears or motor not
well assembled
Check the
assembly of the
gear and motor
BU move to
Home
Wiring of BU motor are
inverted
Check the Motor
BU wiring
BoxT Red in
Display
The absorbed current
exceed the limit
(xxxmA).
Check the
assembly of the
gear and motor,
check the BU
When BU has reached work
position:
• L OFF in UI panel +
BoxT Red in
Display. L OFF &
Work not reached
and BU OFF.
The BU Microswitch is
not well placed
Check assembly of
BU microswitch
BU Microswitch
damaged (open
circuit)
Change BU
microswitch
Wiring of the BU
microswicth not
Connected
Check the wiring
• BoxK OFF in Display +
BoxT Green in Display +
BoxT Green in Display +
BoxT Green in Display
• BU Stop to Move
Wiring of the
BU microswicth
damaged (open)
Change the
wiring
uP U in Main
damaged (open
circuit in Pin)
Change Main
boad
Test mode