Mitsubishi Electric MELSEC Q Series User Manual page 264

Error
Error
code
category
(decimal)
133
Accumulated
pulse error
detection
function
error
134
800
I/F error
803
900
Fatal error
999
262
Error
Error name
classification
Flash ROM write
exceeded
ERR.1
Flash ROM write
error
Hold error
Programmable
controller CPU
error
ERR.2
Hardware error 1
Hardware error 2
Operation at the
Description
error occurrence
The measured
reference value has
been consecutively
written to the flash
ROM more than 25
The measured
times.
reference value is
not saved in the
flash ROM.
The measured
reference value could
not be written in the
flash ROM.
The setting for the
QD73A1 is "Hold" on
The module does
a CPU module's
not operate.
parameter "Error Time
Output Mode".
At start: The module
does not operate.
The CPU has a During operation:
problem. The operation
decelerates and
stops.
The hardware has a
The system stops.
problem.
Action
Turn off and on the
power supply or reset
the CPU module, or
clear the error.
Write the value again.
If the error occurs
again, a failure might
have occurred on the
module. Please consult
your local Mitsubishi
representative.
Set "Clear" to the CPU
module's parameter
"Error Time Output
Mode".
Check the error
occurring on the CPU
module, and refer to the
user's manual for the
CPU module used.
Turn off and on the
power supply.
If the error occurs
again, a failure might
have occurred on the
module. Please consult
your local Mitsubishi
representative.