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Hitachi RAS-20CNHZ2 - Page 89

Hitachi RAS-20CNHZ2
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97
Ye s N o
No
Ye s
Ye s
Ye s
No
No
No
LD301 blinks 8 times.
Acceleration error
LD301 blinks 7 times.
Thermistor abnormal.
Is system power module (SPM2)
normal?
Is drive circuit normal?
Is thermistor connected correctly?
Replace system power
module. (SPM2)
Replace defective parts.
Connect thermistor.
Replace thermistor.
Replace thermistor circuit
parts.
Looking at P.W.B. diagram and
circuit diagram, perform continuity
check of pattern and lead wire.
Looking at P.W.B. diagram and
circuit diagram, perform continuity
check of pattern and lead wire.
No
No
Yes
Be careful not to forget to connect
it after servicing is completed.
Is continuity of thermistor normal?
Is thermistor circuit normal?

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