KPOWERSCIENCE KP3828 Series, Maintenance Manual

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8-8
Bring the positive lead of a digital
multimeter in contact with pin 31 of
CN6 of the KMPU board and the
negative lead in contact with SG (pin
32), and measure the voltage.
If normal, the voltage will be
approximately 0 V when upper sensor
is blocked and will be approximately 5
V when upper sensor is not blocked.
8 Is the position of
transfer unit upper limit
sensor appropriate? If YES, go to 9.
If NO, adjust the
positions of the
sensor and the
blind.
Mount the transfer elevator motor and
transfer unit upper limit sensor to the
main body, set the transfer unit, and
then check the following.
Bring the positive lead of a digital
multimeter in contact with pin 31 of
CN6 of the KMPU board and the
negative lead in contact with SG
(pin32), and measure the voltage.
If normal, the voltage will be
approximately 0 V when the transfer
position is raised to the upper limit and
will be approximately 5 V when the
transfer position is lowered to the lower
limit.
9 Replace the KMPU
board.