YASKAWA Z1000 User Manual page 218

5.5 Alarm Detection
Digital Operator Display
Cause
An external fault was received from the
PLC with F6-03 set to 3, which allows the
drive to continue running after an external
fault occurs.
There is a problem with the PLC program. Check the PLC program and correct problems.
Digital Operator Display
Cause
An external device has tripped an alarm
function.
Wiring is incorrect.
Multi-function contact inputs are set
incorrectly.
Digital Operator Display
EoF
Cause
The multi-function digital input for
EmergOverrideFWD (H1-oo = AF) has
been closed.
Digital Operator Display
Eor
Cause
The multi-function digital input for
EmergOverrideREV (H1-oo = B0) has
been closed.
218
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.
• Ensure the signal lines have been connected properly to the terminals assigned for external fault detection
(H1-oo = 2C to 2F).
• Reconnect the signal line.
• Check if the unused terminals have been set for H1-oo = 2C to 2F (External Fault).
• Change the terminal settings.
EoF Emergency Override Forward Run
Open H1-oo = AF if the emergency condition is no longer present
Eor Emergency Override Reverse Run
Open H1-oo = B0 if the emergency condition is no longer present
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
YASKAWA TOEP YAIZ1U 03B YASKAWA AC Drive – Z1000 User Manual