Philips HD 8753 Service Manual page 35

INTELIA
Press STAND_BY " Press STAND_BY "
Saeco International Group
Insert grounds drawer Insert grounds drawer
The DREG indicator must change from "N" to "Y" The DREG indicator must change from "N" to "Y"
ERROR condition: ERROR condition:
If the indication does not change, check the microswitch on the dreg drawer If the indication does not change, check the microswitch on the dreg drawer
and relative wiring (JP16). and relative wiring (JP16).
Close the side hatch (the dreg drawer must be inserted) Close the side hatch (the dreg drawer must be inserted)
The DOOR indicator must change from "N" to "Y" The DOOR indicator must change from "N" to "Y"
ERROR condition: ERROR condition:
If the indication does not change, check the Microswitch on the hatch and If the indication does not change, check the Microswitch on the hatch and
relative wiring (JP14), make sure that the dreg drawer is correctly in position. relative wiring (JP14), make sure that the dreg drawer is correctly in position.
Insert the brewing unit Insert the brewing unit
The BU-P indicator must change from "N" to "Y" The BU-P indicator must change from "N" to "Y"
(this step takes 2-3 sec) (this step takes 2-3 sec)
ERROR condition:
If the indication does not change, check the brewing unit microswitch and
relative wiring (JP16)
" to move to the next screen " to move to the next screen
Operational check – brewing unit
Initial status Initial status
IMPORTANT: This check can only be carried out with the dreg drawer in and IMPORTANT: This check can only be carried out with the dreg drawer in and
the side hatch closed the side hatch closed
Press the espresso button to move the brewing unit to the "WORK" position
When the unit is in position, the WORK indication changes from "N" to "Y", When the unit is in position, the WORK indication changes from "N" to "Y",
the absorption current must be less than 200mA without the brewing unit the absorption current must be less than 200mA without the brewing unit
on, and less than 300mA with the brewing unit on. on, and less than 300mA with the brewing unit on.
ERROR condition: ERROR condition:
The WORK indicator always stays on "N" The WORK indicator always stays on "N"
ERROR: ERROR:
The WORK indicator changes, and remains permanently on "N", while the The WORK indicator changes, and remains permanently on "N", while the
display changes from green to red; check the microswitch, the motor of the display changes from green to red; check the microswitch, the motor of the
gear motor (this may be blocked) and the wiring JP16. gear motor (this may be blocked) and the wiring JP16.
ERROR (without brewing unit): ERROR (without brewing unit):
If the absorbed current exceeds 200 mA the display turns red, check the If the absorbed current exceeds 200 mA the display turns red, check the
gears on the gear motor and the motor housing in its seat. gears on the gear motor and the motor housing in its seat.
ERROR (with brewing unit): ERROR (with brewing unit):
If the absorbed current exceeds 300 mA the display turns red, check the If the absorbed current exceeds 300 mA the display turns red, check the
brewing unit, the gears on the gear motor and the motor housing in its seat. brewing unit, the gears on the gear motor and the motor housing in its seat.
Rev. 01 / September 2011
05 TROUBLESHOOTING
Page 07 / 11