A SERVICE OF

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42
Power LED blinks twice
Are the SS board
LEDs lit?
The SS board is suspected to
be defective.
Is the SC board
LED lit?
The SC board is suspected
to be defective.
Is the Vda voltage
correct?
The Power supply is
sus
p
ected to be defective.
The D1 is suspected to be
defective.
NO
NO
NO
YES
YES
YES