Philips EP 5400 Series - Level 2: Thermoblock, NTC, and Grinder Testing


Philips EP Series
Sequence of
actions by user
Reaction of the appliance
PASS FAIL Cause of failure Solution
ThermoBlock and NTC
Press and release
K to toggle the
ThermoBlock.
Check the
absorbed
current < ,A.
In this case we
suppose that was
ON, then will be
OFF.
• L OFF in UI panel +
• BoxK OFF in Display +
BoxT Green in Display +
BoxT Green in Display
• The Thermoblock is OFF.
• Check if the absorbed current
is .
The current is still
present>,A.
The drive of the
TB in the Main is
damaged
Change Main
Board
Grinder
Press and release
K to toggle the
Grinder. If it was
OFF, then will be
ON and will move
in clockwise
direction.
• L White ON in UI panel +
• BoxK White in Display +
BoxT Green in Display +
BoxT Green in Display
• The Grinder is ON.
• Check the rotation
BoxK OFF + BoxT
Red.
The grinder in not
moving.
BoxK OFF + BoxT
Red.
The grinder in not
moving.
Wiring of the
Grinder not
connected
Check the wiring
Wiring of the
Grinder damaged
(open)
Change the
wiring
Grinder damaged
Change the
Grinder
Grinder blocked
Change the
Grinder
The drive of the
Grinder in the Main
is damaged
Change Main
Board
The rotation direction
is wrong: anticlockwise
Wirings of Grinder
are inverted
Check the
Grinder
wiring
Test mode