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Digital Operator Display
oFb00
Cause
Non-compatible option connected to
drive port CN5-B.
Digital Operator Display
oFb02
Cause
Options AI-A3 or D1-A3 connected to
the CN5-B port while an option was
connected to CN5-A.
Digital Operator Display
oFc00
Cause
Non-compatible option connected to
drive port CN5-C.
Digital Operator Display
oFc02
Cause
Options AI-A3 or D1-A3 connected to
the CN5-C port while an option was
connected to CN5-A.
Minor Faults and Alarms
Digital Operator Display
Cause
The drive output is disabled.
"bb" is displayed on the operator when the
drive is set for control by PROFIBUS-DP,
and a conventional data format is used,
and the operation command bit F is set to 1,
or a PPO type data format is used,
and the control word (STW) bit 3 is set to 0.
Digital Operator Display
Cause
Communication wiring or terminal resistor
connection is faulty. There is a short circuit, or
an option component is not connected
properly.
Master-side programming error.
Damaged communication circuitry.
YASKAWA ELECTRIC SIEP C730600 42B 1000-Series Option SI-P3 Technical Manual
Non-Compatible Option connected to drive port CN5-B
Non-compatible option is connected.
Use only compatible options. Connect the SI-P3 to CN5-A. For other option connections, refer to the
Installation Manual for those options.
Option Fault (CN5-B)
Two of the same option are connected simultaneously.
Only one of these options, AI-A3, DI-A3 or SI-
The SI-N3 must be connected to CN5-A.
Non-Compatible Option connected to drive port CN5-C
Non-compatible option is connected.
Use only compatible options. Connect the SI-P3 to CN5-A. For other option connections, refer to the
Installation Manual for those options.
Option Fault (CN5-C)
Two of the same options are connected simultaneously.
Only one of these options, AI-A3, DI-A3 or SI-
The SI-N3 must be connected to CN5-A.
Baseblock
bb
Data format and setting contents do not match.
Set either of the bits depending on the data format used.
Serial Communication Transmission Error
CALL
Communication has not yet been established.
Check for wiring errors and correct the wiring.
Remove any ground shorts and reconnect loose wires.
Check communications at start-up and correct programming errors.
Perform a self-diagnostics check and replace the drive if the fault
continues to occur.
Fault Name
Possible Solution
Fault Name
Possible Solution
option can be connected to the drive at the same time.
Fault Name
Possible Solution
Fault Name
Possible Solution
option can be connected to the drive at the same time.
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
9 Troubleshooting
Minor Fault
(H2-
= 10)
No output
Minor Fault
(H2-
= 10)
Yes
41
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