Error Message - Brother PR600II Service Manual

Failure Investigation for Electronic Parts Error message
Is the Y area sensor's lead properly
connected to CN19 on the main
PCB?
Does the machine function normally when the Y
area sensor PCB is replaced with a reliable one?
Is the resistance between pins 1 and 2,
and 3 and 4 of the Y motor 5.2 - 6.4Ω,
respectively, when the motor's connector
(CN20) is removed from the main PCB?
5 - 24
Y-axis home position error
(Dialog message)
Y
N
Y
Change main PCB.
N
Connect it properly.
Y
Change Y area sensor PCB.
N
Change Y motor.