– 108 –
LD301 blinks 6 time.
The temperature at the
OH thermistor rises.
LD301 blinks 5 time.
Overload lower limit cut.
LD301 blinks 4 time.
Failure of switching.
LD301 blinks 3 time.
Abnormal low speed.
Replace parts in the
thermistor circuit.
No
No
No
Check continuity of new parts.
Check continuity of pattern and
lead wires according to the
P.W.B. and schematic diagrams.
Ye s
Ye s
Replace system power
module or defective parts.
Replace the system power
module.
Replace any defective
parts.
Is the thermistor circuit normal?
Are R503 and peripheral
circuits of system power module
normal?
Replace the main P.W.B.
Is the system power module
normal?
Is the drive circuit normal?
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