Yaskawa Option PG-F3 Motor Encoder Feedback - Manual (Page 37)

7 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 51F 1000-Series Option PG-F3 Installation Manual 37
Digital Operator 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.
Switch the power off and reconnect the option.
Digital Operator Display Fault Name
oFC50
PG Encoder Option A/D Conversion Error
Error with the A/D conversion level (VCC level), or A/D conversion timed out.
Cause Possible Solution
The option is damaged. Replace the option.
Digital Operator Display Fault Name
oFC51
PG Encoder Option Analog Circuit Error
Incorrect signal level (+2.5 V signal)
Cause Possible Solution
The option is damaged. Replace the option.
Digital Operator Display Fault Name
oFC52
PG Encoder Communication Timeout
Serial encoder timed out waiting to receive data
Cause Possible Solution
PG encoder wiring is incorrect. Correct the wiring.
PG encoder cable is
disconnected.
Reconnect the cable.
F1-50 (Encoder selection) is
incorrect.
Set F1-50 (Encoder selection) according to the encoder connected to the drive.
Digital Operator Display Fault Name
oFC53
PG Encoder Communication Data Error
Serial encoder CRC checksum error
Cause Possible Solution
PG encoder wiring is incorrect. Correct the wiring.
PG encoder cable is
disconnected.
Reconnect the cable.
Digital Operator Display Fault Name
oFC54
PG Encoder Error
Alarm reading EnDat absolute position data from the PG encoder
(OR flag from EnDat error for overvoltage, undervoltage, etc.)
Cause Possible Solution
Power supply to PG encoder is
wired incorrectly.
Correct the wiring.