Mitsubishi Electric NZ2GFSS2 32D S1 User Manual page 148

Error code Classification
(hexadecimal)
*1
010AH Moderate error
010BH Moderate error
010CH Moderate error
0201H Minor error
*1
0202H Minor error
Recoverable
0203H Minor error
Recoverable
*1
0204H Minor error
Recoverable
*1
0205H Minor error
10 TROUBLESHOOTING
146
10.7 List of Error Codes
Error name Description and cause
Output dark test During an output dark test,
error test pulses were not detected.
I/O data error An error was detected by the
input diagnostic.
Module power A module power supply error
supply voltage error was detected.
Non-volatile An error of the error history
memory data error data stored in the non-volatile
(error history) memory has been detected.
Remote buffer An area outside the range of
memory access the remote buffer memory
error areas has been accessed
using the REMFR/REMTO
instructions.
Station number The station number setting
switch changed switches have been changed
error while the module power
supply is on.
Double input A double input discrepancy
discrepancy was detected in a pair of
detection error inputs (X0 and X1, X2 and X3,
...).
Input dark test error During an input dark test, test
pulses were not detected.
Action
• Match the ON timing of the external power supply with the
ON timing of the module power supply.
• Correct the parameter settings of "Output dark test pulse
OFF time" and "Number of pulse output for output dark
test".
• Review the connected devices and wiring.
• Check that 24V is supplied to the external power supply
using a tester.
• Check that the external connection is not overloaded.
• When the connected devices and wiring have no errors,
there may be an influence from noise or a hardware failure.
Take measures to reduce noise.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.
• Match the ON timing of the external power supply with the
ON timing of the module power supply.
• Review the connected devices and wiring.
• When the connected devices and wiring have no errors,
there may be an influence from noise or a hardware failure.
Take measures to reduce noise.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.
• Review the connected devices, wiring, and voltage.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.
• The module will automatically recover immediately after the
error occurs. Note that the error history of the errors that
have occurred will be lost.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.
Correct the setting data of the REMFR/REMTO instruction to
access within the range of remote buffer memory areas.
The module will recover from this error by setting the switches
to the previous station number that was set when the module
power supply was powered on.
• Match the ON timing of the external power supply with the
ON timing of the module power supply.
• Correct the parameter settings of "Double input
discrepancy detection time".
• Review the connected devices and wiring.
• When the connected devices and wiring have no errors,
there may be an influence from noise or a hardware failure.
Take measures to reduce noise.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.
• When "Double input discrepancy auto recovery setting" is
set to "1: Used", the module will recover from this error after
the double input discrepancy is eliminated.
• Match the ON timing of the external power supply with the
ON timing of the module power supply.
• Correct the parameter settings of "Input dark test pulse
OFF time" and "Number of pulse output for input dark test".
• Review the connected devices and wiring.
• When the connected devices and wiring have no errors,
there may be an influence from noise or a hardware failure.
Take measures to reduce noise.
• If the same error occurs again, the module may be in
failure. Please consult your local Mitsubishi representative.