Yaskawa 1000 Series Drive Option - DeviceNet Installation - Manual (Page 33)

8 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 43C 1000-Series Option SI-N3 Installation Manual 33
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Minor Faults and Alarms
Digital Operator Display Fault Name
oFb02
Option Fault (CN5-B)
Two of the same option are connected simultaneously.
Cause Possible Solution
AI-A3, D1-A3 or SI-††
connected to the CN5-B
port while an option was
connected to CN5-A
Only one of these options, AI-A3, DI-A3 or SI-†† option can be connected to the
drive at the same time. The SI-N3 must be connected to CN5-A.
Digital Operator Display Fault Name
oFC00
Non-Compatible option connected to drive port CN5-C
Non-compatible option is connected.
Cause Possible Solution
Non-compatible option
connected to port CN5-C
Use only compatible options. Connect the SI-N3 to CN5-A. For other option
connections refer to the Installation Manual for those options.
Digital Operator Display Fault Name
oFC02
Option Fault (CN5-C)
Two of the same options are connected simultaneously.
Cause Possible Solution
AI-A3, D1-A3 or SI-††
connected to the CN5-C
port while an option was
connected to CN5-A
Only one of these options, AI-A3, DI-A3 or SI-†† option can be connected to the
drive at the same time. The SI-N3 must be connected to CN5-A.
Digital 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 or
terminal resistor connection
is faulty. There is a short
circuit, or an option
component is not connected
properly
Check for wiring errors and correct the wiring.
Remove any ground shorts and reconnect loose wires.
Yes
Master-side programming
error
Check communications at start-up and correct programming errors.
Damaged communication
circuitry
Perform a self-diagnostics check and replace the drive if the fault
continues to occur.