YASKAWA V1000 Installation Manual page 42

9 Troubleshooting
LED Operator Display
oFA04
Cause
Option hardware fault
LED Operator Display
oFA30 to
to
oFA43
Cause
Option hardware fault
Minor Faults and Alarms
n
LED Operator Display
CALL
Cause
Communication wiring is
faulty, there is a short
circuit, or improper
connection
Programming error on the
master side
Communication circuitry
is damaged.
u
Option Error Codes
Option Fault Monitors U6-98 and U6-99
n
The option can declare error/warning conditions via drive monitor parameters on the drive
digital operator as shown in
Fault Condition
No Fault
EN 42
Option Card Fault
Option flash write mode.
Replace the option.
Option Card Fault
Communication ID error.
Replace the option.
Serial Communication Transmission Error
Communication is not established.
Check for wiring errors:
• Correct the wiring
• Remove ground shorts and reconnect loose wires
Check communications at start-up and correct programming errors.
• Perform a self-diagnostics check
• Replace the drive if the fault continues to occur
Table 15.
Table 15 Option Fault Monitor Descriptions
Status Value
Fault Declared
(U6-98/U6-99)
n/a
YASKAWA ELECTRIC TOBP C730600 59A V1000 Option Modbus TCP/IP Installation Manual
Fault Name
Possible Solution
Fault Name
Possible Solution
Minor Fault Name
Possible Solution
0 No faults
Minor Fault
(H2- = 10)
YES
Description