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Hitachi RAS-25CNH1 - Page 98

Hitachi RAS-25CNH1
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– 107 –
Is the power module normal?
YES
NO
YES
NO
YES
NO
NO
NO
YES
Is the micro computer drive circuit
PS-HIC normal?
Is the connector of the thermistor
disconnected?
Be careful not to forget to
re-connect after servicing.
Is the continuity of thermistor
normal?
Is the thermistor circuit normal?
Replace parts in the thermistor
circuit.
Replace the thermistor.
Connect the thermistor connector.
Replace defective parts.
Replace the power module.
Perform continuity check of the
leads and pattern according to the
P.W.B. diagram and circuit dia-
gram.
Perform continuity check of the
leads and pattern according to the
P.W.B. diagram and circuit
diagram.
LD301 : Blinks 8 times.
Acceleration defective
LD301 : Blinks 7 times.
Thermistor abnormal

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