YASKAWA Powerlink A1000 Series Installation Manual page 32

9 Fault Diagnosis and Possible Solutions
 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
Cause
Communication wiring is faulty, there is a
short circuit, or something is not connected
properly.
Programming error on the master side
Communication circuitry is damaged.
Digital Operator Display
Cause
Communication wiring is faulty, there is a
short circuit, or something is not connected
properly.
EEPROM checksum error
EN 32
Serial Communication Transmission Error
CALL
Communication has not yet been established.
Check for wiring errors.
Correct the wiring.
Remove and ground shorts and reconnect loose wires.
Check communications at start-up and correct programming errors.
Replace the drive if the fault continues to occur.
EEPROM Error
EEP
EEPROM checksum error
Check for wiring errors.
Correct the wiring.
Remove and ground shorts and reconnect loose wires.
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)).
YASKAWA Europe YEU TOEP C710616 87A - A1000 Option Powerlink - Installation Manual
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution