YASKAWA V1000 Technical Manual page 268

6.5 Alarm Detection
Parameter settings are inappropriate.
The motor brake engaged.
LED Operator Display
Cause
"Drive Enable" is set to a multi-function
contact input (H1-oo = 6A) and that
signal was switched off.
LED Operator Display
Cause
The watchdog timer expired while waiting
for data from the controller.
LED Operator Display
Cause
Sequence error
LED Operator Display
Cause
An external fault was received from the
PLC with F6-03 = 3 (causing the drive to
continue running when an external fault
occurs).
There is a problem with the PLC program. Check the PLC program and correct problems.
LED Operator Display
Cause
An external device has tripped an alarm
function.
268
Check the settings of parameters F1-10 and F1-11.
Ensure the brake releases properly.
dnE Drive Disabled
Check the operation sequence.
E5 MECHATROLINK Watchdog Timer Error
ssue a DISCONNECT or ALM_CLR command, followed by a CONNECT or
SYNC_SET command and move to phase 3.
Forward/Reverse Run Command Input Error
EF
Both forward run and reverse run closed simultaneously for over 0.5 s.
Check the forward and reverse command sequence and correct the problem.
Note: When minor fault EF detected, motor ramps to stop.
Option Card External Fault
EF0
An external fault condition is present.
• Remove the cause of the external fault.
• Remove the external fault input from the PLC.
External fault (input terminal S1)
EF1
External fault at multi-function input terminal S1.
External fault (input terminal S2)
EF2
External fault at multi-function input terminal S2.
External fault (input terminal S3)
EF3
External fault at multi-function input terminal S3.
External fault (input terminal S4)
EF4
External fault at multi-function input terminal S4.
External fault (input terminal S5)
EF5
External fault at multi-function input terminal S5.
External fault (input terminal S6)
EF6
External fault at multi-function input terminal S6.
External fault (input terminal S7)
EF7
External fault at multi-function input terminal S7.
Remove the cause of the external fault and reset the multi-function input value.
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
YES
YES
Minor Fault
Output
(H2-oo =
10)
YES
Minor Fault
Output
(H2-oo =
10)
YES
Minor Fault
Output
(H2-oo =
10)
YES
Minor Fault
Output
(H2-oo =
10)
YES
YES
Minor Fault
Output
(H2-oo =
10)
YES