– 198 –
LD301 blinks 2 times.
Is the power module normal? Replace the power module.
Replace any defective parts.
Replace any defective parts.
Replace any defective parts.
Operate the unit again.
Is it normal?
Make sure again that
connectors are connected
securely.
Perform final operation check.
Is the drive circuit normal?
Are R503 and peripheral
circuits normal?
Is the microcomputer IP
input signal normal?
(Normally, pin is approx.
5V)
Is the reset circuit normal?
(Normally, microcomputer pin
is approx. 5V)
Peak current-cut.
LD301 blinks 1 time.
Reset stop.
However, the unit always resets
and stops just after power is
supplied : this does not indicate
a fault.
No
No
No
No
Ye s
Ye s
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