YASKAWA 1000 Series Installation Manual page 31

Noise interference along the PG
encoder cable is affecting the A
or B phase.
PG encoder is disconnected or is
not wired properly, or the PG
option or PG encoder are
damaged.
Digital Operator Display
oFA00
Cause
Non-compatible option is
connected to drive port CN5-A.
Digital Operator Display
oFb00
Cause
Non-compatible option is
connected to drive port CN5-B.
Digital Operator Display
oFC01
Cause
Option at drive port CN5-C was
changed during run.
Digital Operator Display
oFC50
Cause
The option is damaged.
Digital Operator Display
oFC51
Cause
The option is damaged.
Digital Operator Display
Cause
Overshoot is occurring.
YASKAWA ELECTRIC TOBP C730600 52D 1000-Series Option PG-E3 Installation Manual
• Make sure the motor is rotating in the proper direction.
• Investigate problems on the load-side that may be causing the motor to rotate in
the opposite direction.
• Check PG encoder wiring and make sure all wiring including shielded wiring is
properly connected.
• If the problem continues after cycling power, replace the PG option or the PG
encoder.
Non-compatible option is connected to drive port CN5-A.
Use only compatible options. Connect PG-E3 to CN5-C. For other options, refer
to the Installation Manual for that option.
Non-compatible option is connected to drive port CN5-B.
Use only compatible options. Connect PG-E3 to CN5-C. For other options, refer
to the Installation Manual for that option.
Option Connection Error at drive port CN5-C
Switch the power off and reconnect the option.
PG Encoder Option A/D Conversion Error
Error with the A/D conversion level (VCC level), or A/D conversion timed out.
Replace the option.
PG Encoder Option Analog Circuit Error
Incorrect signal level (+2.5 V signal)
Replace the option.
Overspeed
oS
The motor speed feedback exceeded the F1-08 setting.
Increase the settings for C5-01 (Speed Control Proportional Gain 1) and reduce
C5-02 (Speed Control Integral Time 1).
7 Troubleshooting
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
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