STWA4MH
12800-0711-00
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6
Troubleshooting and measures
Error
Cause
Measure
“no connection to slave”
Received no message from slave
Slave is in update mode (fast
flashing LED)
Check connection settings
Check physical connection
Restart Update
“The system cannot find the file
specified.”
Com port / file does not exist
Use a valid/available com port/file
“Access is denied”
Com port already used
Close all programs which use this
com port
“slave address/function mismatch,
error code: 0x02
”
Invalid register address
Valid range: 0-76
Register count >
“slave address/function mismatch,
error code: 0x03”
Invalid data
Use only valid values (see
paragraph
“CRC mismatch”
Transmission failure, calculated
CRC doesn’t match received CRC
Use proper termination and wires
Reduce baud rate
“Com port invalid”
Com port not opened
Reopen the device menu
“Configuration #[] has no values”
Invalid configuration file
Resave the configuration file
“Configuration #[] not found”
Invalid configuration file
Resave the configuration file
