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YASKAWA ELECTRIC
TOBP C730600 78D YASKAWA AC Drive Option AI-A3 Installation Manual
7 Troubleshooting
7
Troubleshooting
Drive-Side Error Codes
lists the various fault codes related to the option. Refer to the drive Technical
Manual for further details on fault codes.
Confirm the following items upon receiving an error notification on the drive keypad:
1. Correct and secure cable connections including ground wiring.
2. Proper option installation.
3. No momentary power loss occurred.
Table 7 Fault Displays, Causes, and Possible Solutions
Keypad Display
Fault Name
oFA01
Option is not properly connected.
Cause
Possible Solution
The option connected to option port CN5-A was
changed during run.
De-energize the drive and plug the option into the drive
according to
Installation Procedure on page 11
.
Keypad Display
Fault Name
oFb01
Option Card Fault (CN5-B)
Option is not properly connected.
Cause
Possible Solution
Option in drive port CN5-B was changed during
run.
De-energize the drive and plug the option into the drive
according to
Installation Procedure on page 11
.
Keypad Display
Fault Name
oFb02
Option Fault (CN5-B)
Two identical options are connected at the same time.
Cause
Possible Solution
AI-A3 option connected to CN5-B port while
another option was connected to CN5-A port.
Only one of the options: AI-A3, DI-A3, or SI-
can be
connected to the drive at the same time.
Keypad Display
Fault Name
oFC01
Option is not properly connected.
Cause
Possible Solution
Option at drive port CN5-C was changed during
run.
De-energize the drive and plug the option into the drive
according to
Installation Procedure on page 11
.
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