Mitsubishi CR800 Series Instruction Manual page 72

1Error list
Error No.
H8451 Error message DEVICENET Set other fieldbus
Cause
Measures
L8460 Error message DEVICENET Timeout
Cause
Measures
H8470 * Error message DEVICENET Param load write error
Cause
Measures
H8471 * Error message DEVICENET Send byte is outside
Cause
Measures
H8472 * Error message DEVICENET Receive byte outside
Cause
Measures
H8473 * Error message DEVICENET Send-receive are 0
Cause
Measures
C8490 Error message DEVICENET Communication test mode
Cause
Measures
H8491 * Error message DEVICENET Comm-test unit number
Cause
Measures
H8492 * Error message DEVICENET Comm-test busoff
Cause
Measures
H8493 * Error message DEVICENET Comm-test net power
Cause
Measures
H8494 * Error message DEVICENET Comm-test send-receive
Cause
Measures
H8500 Error message PROFIBUS Initial error
Cause
Measures
H8501 Error message PROFIBUS watch dog timer error
Cause
Measures
H8502 * Error message Plural PROFIBUS cards are set.
Cause
Measures
H8503 * Error message PROFIBUS/CC-Link cards are set.
Cause
Measures
1-63
Error no. H8451
Only one. fieldbus card can be installed.
Only one fieldbus card is installed
The I/O communication was can not be done in time.
Please confirm the other units or power supply of network.
Parameter can not be load and written.
Turn the power OFF and ON once
Send byte number setting of is out of range
Please correct the send byte number setting
Receive byte number setting is outside
Please correct the receive byte number setting
Both receive and send byte number setting are 0.
Please change receive or send byte number setting.
It is communication test mode.
Please change the mode switch to 3-5 after the test ends.
Unit numbers overlap is detected by communication test.
Please confirm the other units number.
Busoff is detected by communication test.
Please confirm communication speed, cable, terminator.
Network power off is detected by communication test.
Please turn on network power.
Data can not send and receive normal by communication test
Please confirm connection situation of others, communication speed, cable and terminator
An error was detected in the hardware. The hardware may be at fault.
Replace the 2D-TZ577 Card.
When replacing the card, contact its manufacturer for advice.
An error was detected in the hardware. The hardware may be at fault.
Replace the 2D-TZ577 Card.
When replacing the card, contact its manufacturer for advice.
Only one card is accepted at any one time.
Install only one card.
Either PROFIBUS or CC-Link card is accepted at any one time.
Install either a PROFIBUS card or a CC-Link card.
Error cause and measures