Yaskawa AC Drive-L1000E Safety Precautions User Manual
Page 39

8 Troubleshooting
YASKAWA TOEP YAIL1E 02A YASKAWA AC Drive - L1000E Safety Precautions
39
CPF,OFA,OFB,OFC
oFC03 to oFC11
O
Option card error occurred at option port CN5-C
oFC12 to oFC17
O
oFC50
O
Encoder Option AD Conversion Error
Error with the A/D conversion level (VCC level), or A/D conversion timed out.
oFC51
O
Encoder Option Analog Circuit Error
Incorrect signal level (+2.5 V signal)
oFC52
O
Encoder Communication Timeout
Signal encoder timed out waiting to receive data
oFC53
O
Encoder Communication Data Error
Serial encoder CRC checksum error
oFC54
O
Encoder Error
Alarm reading EnDat absolute position data from encoder
(OR flag from EnDat error for overvoltage, undervoltage, etc.)
-
oPr
O
External Digital Operator Connection Fault
• The external operator has been disconnected from the drive.
Note: An oPr fault will occur when all of the following conditions are true:
• Output is interrupted when the operator is disconnected (o2-06 = 1).
• The Up/Down command is assigned to the operator (b1-02 = 0 and LOCAL has been
selected).
BB,HBB
bb
O
Baseblock
Drive output interrupted as indicated by an external baseblock signal.
Hbb
O
Safe Disable Circuit Fault Signal (H1-HC, H2-HC) Release
Both Safe Disable Input channels are open.
HbbF
O
Safe Disable Circuit Fault Signal (H1-HC, H2-HC) Release
One Safe Disable channel is open while the other one is closed.
EF,SE
EF
O
Up/Down Command Error
Both forward run and reverse run closed simultaneously for over 0.5 s.
EF0
O
O
Option Card External Fault
An external fault condition is present.
EF3
O
O
External fault (input terminal S3)
External fault at multi-function input terminal S3.
EF4
O
O
External fault (input terminal S4)
External fault at multi-function input terminal S4.
EF5
O
O
External fault (input terminal S5)
External fault at multi-function input terminal S5.
EF6
O
O
External fault (input terminal S6)
External fault at multi-function input terminal S6.
EF7
O
O
External fault (input terminal S7)
External fault at multi-function input terminal S7.
EF8
O
O
External fault (input terminal S8)
External fault at multi-function input terminal S8.
EF,SE
SE
O
MEMOBUS/Modbus Self Test Failed
SE1
O
Motor Contactor Response Error
Motor contactor does not respond within the time set to S1-10 (Run Command Delay
Time).
EF,SE
SE2
O
Starting Current Error
The output current was lower than 25% of the motor no-load current at start.
JVOP-184
Status Text
ALARM
FAULT
Fault/Alarm
Code
<1>
ALM FLT
Fault Name/Cause