Error
Error name
code
3E69H
Hardware failure
3E6AH
Memory error
3E6BH
Memory error
3E6CH
Memory error
3E6DH
Memory error
3E6EH
Hardware failure
3EA6H
Hardware failure
Error details and cause
• A hardware failure has been
detected.
• An error has been detected in the
memory.
• An error has been detected in the
memory.
• An error has been detected in the
memory.
• An error has been detected in the
memory.
• A hardware failure has been
detected.
• A hardware failure has been
detected.
Corrective action
• Take measures to reduce noise.
• Turn the power of the CPU module
OFF and ON or reset the hardware. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU module.
Please contact your local Mitsubishi
Electric sales office or representative.
• Take measures to reduce noise.
• Turn the power of the module OFF
and ON. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU
module. Please contact your local
Mitsubishi Electric sales office or
representative.
• Take measures to reduce noise.
• Turn the power of the module OFF
and ON. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU
module. Please contact your local
Mitsubishi Electric sales office or
representative.
• Take measures to reduce noise.
• Turn the power of the module OFF
and ON. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU
module. Please contact your local
Mitsubishi Electric sales office or
representative.
• Take measures to reduce noise.
• Turn the power of the module OFF
and ON. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU
module. Please contact your local
Mitsubishi Electric sales office or
representative.
• Take measures to reduce noise.
• Turn the power of the CPU module
OFF and ON or reset the hardware. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU module.
Please contact your local Mitsubishi
Electric sales office or representative.
Immediately turn the power OFF, and
take the following measures.
• Check the ambient temperature.
• If the same error code is displayed
again, the possible cause is a
hardware failure. Please contact your
local Mitsubishi Electric sales office or
representative.
33.1 Error Codes for Self-diagnostics
Stop/
Diagnostic
continue
timing
Stop
Always
Stop
Power-on,
hardware
reset, bus
reset
Stop
Always
Stop
Power-on,
hardware
reset, bus
reset
Stop
Power-on,
hardware
reset, bus
reset
Stop
Always
Power-on,
hardware
reset, bus
reset
Stop
Always
33 ERROR CODE LIST
249
33