7 Troubleshooting
YASKAWA ELECTRIC
TOBP C730600 49A V1000 Option MECHATROLINK-II Installation Manual
27
■
Minor Faults and Alarms
LED Operator Display
Minor Fault Name
AEr
Station Address Error
MECHATROLINK-II Option is set to an address outside the allowable
setting range.
Cause
Possible Solution
Minor Fault
(H2-
= 10)
Address outside the specified address
range
⇒
Set F6-20 to an address within the specified range.
YES
LED Operator Display
Minor Fault Name
CALL
Serial Communication Transmission Error
Communication has not yet been established.
Cause
Possible Solution
Minor Fault
(H2-
= 10)
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.
YES
Programming error on the master side
⇒
Check communications at start-up and correct
programming errors.
Communication circuitry is damaged.
Perform a self-diagnostics check.
⇒
Replace the drive if the fault continues to occur.
