Mitsubishi MELSEC-Q Series User Manual page 709

18
TROUBLESHOOTING
Error code
• Fault of a loaded module was detected.
1414 • In a multiple CPU system, a CPU module incompatible with the
multiple CPU system is mounted.
1415 Fault of the main or extension base unit was detected.
1416 A bus fault was detected at power-on or CPU module reset.
• A momentary power failure has occurred.
(The number of momentary stops can be checked by the
1500
QBF_ReadStatusEx function.)
• The power supply went off.
The voltage of one power supply module dropped on the redundant
1510
power supply base unit.
A fault of one redundant power supply module was detected in the
1520
redundant power supply system.
• The battery voltage in the CPU module has dropped below
1600 stipulated level.
• The lead connector of the CPU module battery is not connected.
Error description and cause Corrective action
• Remove the CPU module incompatible with the multiple CPU
system from the main base unit, or replace the CPU module with a
CPU module compatible with the multiple CPU system.
• Reset the C Controller module and RUN it again. If the same error is
displayed again, the intelligent function module, CPU module, or
base unit is faulty. Please consult your local Mitsubishi service
center or representative, explaining the details of the problem.
Reset the CPU module and RUN it again. If the same error is
displayed again, the intelligent function module, CPU module, or base
unit is faulty. Please consult your local Mitsubishi service center or
representative, explaining the details of the problem.
Reset the CPU module and RUN it again. If the same error is
displayed again, the intelligent function module, CPU module, or base
unit is faulty. Please consult your local Mitsubishi service center or
representative, explaining the details of the problem.
Check the power supply.
Check the power supplied to the redundant power supply modules
mounted on the redundant power supply base unit.
The redundant power supply module has a hardware failure. Please
consult your local Mitsubishi service center or Mitsubishi
representative, explaining the details of the problem.
• Change the battery.
• Connect the lead connector.
18.3 Actions for Lit/Flashing ERR. LED
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