Mitsubishi Electric Q12DCCPU-V - When an Output Load Device of an Output Module Does Not Turn on

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16.2 Troubleshooting
16.2.12 When an output load device of an output module does not turn on
16
TROUBLESHOOTING
16.2.12 When an output load device of an output module does not turn on
The following flowchart shows the procedures to be taken when an output load device of
an output module does not turn on during C Controller system operation.
Figure 16.11 When an output load device of an output module does not turn on
Q12DCCPU-V
Q06CCPU-V
Q06CCPU-V-B
Yes
No
No
Yes
No
No
Yes
Is the output LED of
the output module lit?
Output module failure
Replace the output module.
Check the load and its wiring.
Change output relay numbers so that
the rush current will be within the
specified range.
Check the load and its wiring.
Check the wiring of the power supply
for the load and restore the power
supply.
Section 18.2.11
Output load device does not turn on.
Has power voltage for the
load been applied?
Is a service
voltage being supplied
between output COM terminals of
the output module?
Is the rush
current, which is
generated when the maximum
number of loads concurrently turns
on, within the specified
range?
Yes
Page 16-20, Section 16.2.11