12 Fault Diagnosis and Possible Solutions
YASKAWA EUROPE GMBH
YEU SIEP C710616 86A - AC Drive A1000 Option Powerlink - Technical Manual
39
Minor Faults and Alarms
Table 6 lists up alarms that might occur during operation using a communication option board. If a multi function digital output of the drive is
programmed for H2-
= 10, the output will close if these alarms occur.
Digital Operator Display
Minor Fault Name
CALL
Serial Communication Transmission Error
Communication has not yet been established.
Cause
Possible Solution
Communication wiring is faulty, there is a short circuit, or
something is not connected properly.
Check for wiring errors.
Correct the wiring.
Remove and ground shorts and reconnect loose wires.
Programming error on the master side
Check communications at start-up and correct programming errors.
Communication circuitry is damaged.
Replace the drive if the fault continues to occur.
Digital Operator Display
Minor Fault Name
EEP
EEPROM Error
EEPROM checksum error
Cause
Possible Solution
Communication wiring is faulty, there is a short circuit, or
something is not connected properly.
Check for wiring errors.
Correct the wiring.
Remove and ground shorts and reconnect loose wires.
EEPROM checksum error
If these errors occur, the object dictionary will be reset to its default values.
After the object dictionary has been changed and object dictionary contents are then changed, execute a Store Parameter
command (Index = 1010 (Hex)).
If the object dictionary has not been changed, execute a Restore Parameter command (Index = 1011 (Hex)).
