7 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 75B YASKAWA AC Drive Option PG-B3 Installation Manual 39
Keypad Display Fault Name
dv2
Z Channel Pulse Noise Fault Detection
The Z channel pulse is out of phase by more than 5 degrees for the number of
times specified in parameter F1-17.
Cause Possible Solution
PG encoder cable electrical
interference.
Separate the PG encoder cable wiring from the source of the interference (e.g.,
drive output wiring).
The PG encoder is not wired
properly or is disconnected.
Make sure the PG encoder is properly wired or is not disconnected and all
shielded lines are properly grounded.
The PG option or PG encoder
are damaged.
1. Confirm that the PG encoder is properly connected and all shielded lines are
properly grounded.
2. Cycle power. Replace the PG option card or the PG encoder if the problem
continues after cycling power.
Keypad Display Fault Name
oFA00 Non-compatible option is connected to drive port CN5-A.
Cause Possible Solution
Non-compatible option is
connected to drive port CN5-A.
Use only compatible options. The PG option cannot be connected to CN5-A.
For other options, refer to the Installation Manual for that option.
Keypad Display Fault Name
oFb00 Non-compatible option is connected to drive port CN5-B.
Cause Possible Solution
Non-compatible option is
connected to drive port CN5-B.
Connect the option to the correct option port.
Note: When connecting DO-A3, AO-A3, PG-B3, or PG-X3, use CN5-B. When
connecting only one PG option, use CN5-C.
Keypad Display Fault Name
oFb01 Option Connection Error at drive port CN5-B
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
oFC01 Option Connection Error at drive port CN5-C
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.
TOBP_C730600_75B_1_0_E.book 39 ページ ２０１７年２月１７日 金曜日 午後３時２分
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