Ope error details, Error displays and countermeasures (continued) – Yaskawa Varispeed-656 DC5 Converter User Manual
Page 20

VS-656DC5 User’s Manual
18 - 20
EF3
Control Circuit
Terminal 3
External Fault
External error input from control circuit ter-
minal 3.
Check input terminal
EF4
Control Circuit
Terminal 4
External Fault
External error input from control circuit ter-
minal 4.
EF5
Control Circuit
Terminal 5
External Fault
External error input from control circuit ter-
minal 5.
EF6
Control Circuit
Terminal 6
External Fault
External error input from control circuit ter-
minal 6.
EF7
Control Circuit
Terminal 7
External Fault
External error input from control circuit ter-
minal 7.
EF8
Control Circuit
Terminal 8
External Fault
External error input from control circuit ter-
minal 8.
OPR
Operator Con-
nection Fault
The run command comes from the operator,
but the operator is not connected.
Check the cable and connec-
tors
ERR
EEPROM
Write Error
Cannot write to EEPROM
Replace control card.
UNBC
Current Imbal-
ance
An unbalanced current has flowed between
the modules
• Check the wiring on the
power source device.
OPE Error Details
OPE
Number
Display
Content
Description
Countermeasures
OPE01
kVA Selection
Error
Improper/Unused capacity selected
Detection level
600V class selected for 400V class
400V class selected for 600V class
Check parameters
OPE02
Upper/Lower
Limit Error
Parameter setting outside of allowable range.
Setting exceeds upper limit or is below lower
limit.
OPE03
Multi-func-
tion Contact
Input Selec-
tion Error
Duplicate settings for parameters H1-01~H1-
06. Same setting outside of 0F, FF, 20~2F.
Error Displays and Countermeasures (Continued)
Error
Display
Error Display
Content
Description
Countermeasures