Code Type
4430 Warning
4440 Error
4441 Warning
4442 Warning
4443 Warning
4445 Error
4446 Warning
4447 Warning
4450 Error
4451 Warning
4452 Warning
188
Possible cause
OP3000: Connection lost
OP3000: DAC receive buffer
exceeded
OP3000: DAC receiver
timeout
OP3000: DAC unknown
message
OP3000: DAC invalid
checksum
OP3000: DAC send buffer
exceeded
OP3000: DAC no response
OP3000: DAC invalid
response
OP3000: DAC OP
Receive buffer exceeded
OP3000: DAC OP receiver
timeout
OP3000: DAC OP unknown
message
Operating Instructions M-TYPE DELTA - 01.0 - 08/2019
Remedial action
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
• Check connection to OP3000
• Replace OP3000
• Replace control
Troubleshooting