LD301 blinks 2 time.
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.
Is the system power module
normal?
Is the drive circuit normal?
•
Are R503, R541, R542, R549
and peripheral circuits of system
power module normal?
•
Is the microcomputer IP input
signal normal?
(Normally, pin
17
is approx. 5V.)
Is the reset circuit normal?
(Normally, microcomputer
pin
48
is approx. 5V.)
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.
Replace the system power
module.
No
Ye s
Ye s
No
No
No
()
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