Hitachi RAS-50WX8W - Page 153

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LD301 blinks 8 times.
Acceleration defect.
Is the power module normal? Replace the power module.
Check continuity of pattern
and lead wires according to
the P.W.B. and schematic
diagrams.
Check continuity of pattern
and lead wires according to
the P.W.B. and schematic
diagrams.
Replace any defective parts.
Connect the thermistor.
Replace the thermistor.
Replace parts in the
thermistor circuit.
Is the continuity of thermistor
normal?
Is the thermistor circuit normal?
Is the drive circuit normal?
Is the thermistor connector
disconnected?
※The problem may be
"forgetting to connect after
servicing".
LD301 blinks 7 times.
Thermistor abnormal.
Yes
Ye s
Ye s
Ye s
No
No
No
No
No