5.3
Alarm Detection
u
Alarm Codes, Causes, and Possible Solutions
Table 5.3 Alarm Codes, Causes, and Possible Solutions
LED Operator Display
Minor Fault Name
AEr
Communication Option Station Number Setting
Option node address is outside the acceptable setting range.
bb
Baseblock
Drive output interrupted as indicated by an external baseblock signal.
bUS
Option Communication Error
• After initial communication was established, the connection was lost.
• Assign a run command frequency reference to the option card.
CALL
Serial Communication Transmission Error
Communication has not yet been established.
CE
MEMOBUS/Modbus Communication Error
Control data was not received correctly for two seconds.
CrST
Can Not Reset
CyC
MECHATROLINK-II Comm. Cycle Setting Error
Comm. Cycle Setting Error was detected.
dEv
Speed Deviation (for Simple V/f with PG)
According to the pulse input (RP), the speed deviation is greater than the setting in
F1-10 for a time longer than the setting in F1-11.
dnE
Drive Disabled
E5
MECHATROLINK-II Comm. Watchdog Error
EF
Forward/Reverse Run Command Input Error
Both forward run and reverse run closed simultaneously for over 0.5 s.
EF0
Option Card External Fault
An external fault condition is present.
EF1
External fault (input terminal S1)
External fault at multi-function input terminal S1.
EF2
External fault (input terminal S2)
External fault at multi-function input terminal S2.
EF3
External fault (input terminal S3)
External fault at multi-function input terminal S3.
5.3 Alarm Detection
146
YASKAWA ELECTRIC TOEP C710606 47A YASKAWA AC Drive – V1000 Quick Start Guide
