YASKAWA V1000

Parameter settings are inappropriate. Check the settings of parameters F1-10 and F1-11. YES
The motor brake engaged. Ensure the brake releases properly. YES
LED Operator Display Minor Fault Name
dnE Drive Disabled
Cause Possible Solutions
Minor Fault
Output
(H2-oo =
10)
“Drive Enable” is set to a multi-function
contact input (H1-oo = 6A) and that
signal was switched off.
Check the operation sequence. YES
LED Operator Display Minor Fault Name
E5 MECHATROLINK Watchdog Timer Error
Cause Possible Solutions
Minor Fault
Output
(H2-oo =
10)
The watchdog timer expired while waiting
for data from the controller.
ssue a DISCONNECT or ALM_CLR command, followed by a CONNECT or
SYNC_SET command and move to phase 3.
YES
LED Operator Display Minor Fault Name
EF
Forward/Reverse Run Command Input Error
Both forward run and reverse run closed simultaneously for over 0.5 s.
Cause Possible Solutions
Minor Fault
Output
(H2-oo =
10)
Sequence error
Check the forward and reverse command sequence and correct the problem.
Note: When minor fault EF detected, motor ramps to stop.
YES
LED Operator Display Minor Fault Name
EF0
Option Card External Fault
An external fault condition is present.
Cause Possible Solutions
Minor Fault
Output
(H2-oo =
10)
An external fault was received from the
PLC with F6-03 = 3 (causing the drive to
continue running when an external fault
occurs).
• Remove the cause of the external fault.
•
Remove the external fault input from the PLC.
YES
There
is
a
problem
with
the
PLC
program. Check the PLC program and correct problems. YES
LED Operator Display Minor Fault Name
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.
EF4
External fault (input terminal S4)
External fault at multi-function input terminal S4.
EF5
External fault (input terminal S5)
External fault at multi-function input terminal S5.
EF6
External fault (input terminal S6)
External fault at multi-function input terminal S6.
EF7
External fault (input terminal S7)
External fault at multi-function input terminal S7.
Cause Possible Solutions
Minor Fault
Output
(H2-oo =
10)
An external device has tripped an alarm
function.
Remove the cause of the external fault and reset the multi-function input value. YES
6.5 Alarm Detection
268
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual