Brother PR600 - The Hoop Sensor Does Not Function Normally

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Failure Investigation for Electronic Parts The hoop sensor does not function normally.
Y
Change Y area sensor PCB.
Y
Does the machine function normally when the Y
area sensor PCB is replaced with a reliable one?
N
Change main PCB.
N
Does the machine function normally when the
connect PCB is replaced with a reliable one?
Change connect PCB.
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