Philips 4000 - Page 46

PHILIPS 4000 and 3000 05 SERVICE MODE
5/18
ERROR: (Without BU) The absorbed current is more than
200mA,thedisplaybacklightchangesfromgreentored;checkthe
BU and the motor.
ERROR: (With BU) Theabsorbedcurrentismorethan300mA,
the display backlight changes from green to red; check the BU and
the motor.
Press the Z3 button to move the BU to Home
When the BU reaches the home position the indication HOME
changesfrom“N”to“Y”,thenumberofthecurrentisminusthan
200mA (without BU) or 300mA (with BU).
ERROR: The indication HOMEdoesn’tchangeandremain“N”,the
display backlight changes from green to red; Check the work
microswitch(isbroken),theBUmotor(isblocked)andthewiring
(JP16).
ERROR: (Without BU) The absorbed current is higher than
200mA,thedisplaybacklightchangesfromgreentored;checkthe
BU and the motor.
ERROR: The indication WORKdoesn’tchangeandremain“N”,the
display backlight changes from green to red; Check the work
microswitch(broken?),theBUmotor(blocked?)andthewiring
(JP16).
ERROR: (With BU)Theabsorbedcurrentishigherthan300mA,the
display backlight changes from green to red; check the BU and the
motor
When the BU reaches the work position the indication WORK
changesfrom“N”to“Y”,thenumberofthecurrentislessthan
200mA (without BU) or 300mA (with BU).
Press Z7 “ ” to move to the next screen