YASKAWA CIMR-VU BA0001 Technical Manual page 270

6.4 Fault Detection
Digital Operator Display
Cause
Hardware is damaged.
Digital Operator Display
Cause
Hardware is damaged.
Digital Operator Display
Cause
Terminal board is not connected correctly.
Digital Operator Display
Cause
Load is too heavy.
Acceleration and deceleration times are set too
short.
The load is locked up.
Parameters are not set appropriately.
Motor brake engaged.
Digital Operator Display
Cause
Fault output by DriveWorksEZ
Digital Operator Display
Cause
Data has not been received from the PLC,
triggering the watchdog timer.
Digital Operator Display
Cause
An external fault was received from the PLC
with other than F6-03 = 3 "alarm only" (the
drive continued to run after external fault).
Problem with the PLC program.
Digital Operator Display
270
Replace the drive.
Drive Capacity Signal Fault
CPF24
Entered a capacity that does not exist. (Checked when the drive is powered up.)
Replace the drive.
CPF25 Terminal Board Not Connected
Reconnect the terminal board to the connector on the drive, then cycle the power to the drive.
Speed Deviation (for Simple V/f with PG)
dEv
According to the pulse input (RP), the speed deviation is greater than the setting in F1-10 for longer than
the time set to F1-11.
Reduce the load.
Increase the acceleration and deceleration times (C1-01 through C1-08).
Check the machine.
Check the settings of parameters F1-10 and F1-11.
Ensure the motor brake releases properly.
dWFL DriveWorksEZ Fault
dWAL DriveWorksEZ Program Error Output
Correct the cause of the fault.
MECHATROLINK Watchdog Timer Error
E5
The watchdog timed out.
Execute DISCONNECT or ALM_CLR, then issue a CONNECT command or SYNC_SET command and
proceed to phase 3.
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.
Check the PLC program and correct problems.
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.
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual