Failure Investigation
for Electronic Parts
Failure Investigation for Electronic Parts
Failure Investigation
for Electronic Parts
5 - 31
Error message
•
Power supply voltage error (24V high)
•
Power supply voltage error (24V low)
•
Power supply voltage error (40V high)
•
Power supply voltage error (40V low)
(Dialog message)
Connect it properly.
N
Y
Change the power supply
PCB unit.
Is the voltage between pins 1 and 2, and
3 and 4 of connector CN26 on the main
PCB 38.0 - 42.0V, and 23.0 - 27.0V,
respectively, when the power is ON?
N
Y
Is the power lead properly connected
to CN26 on the main PCB?
Change the main PCB.
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