Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 263)

HOA Keypad Display Minor Fault Name
EF0
Option Card External Fault
An external fault condition is present.
Cause Possible Solution
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.
• Remove the cause of the external fault.
• Remove the external fault input from the PLC.
There is a problem with the PLC program. Check the PLC program and correct problems.
HOA Keypad Display Minor Fault Name
EF1
Pump Fault (Input Terminal S1)
External fault at multi-function input terminal S1.
EF2
Pump fault (input terminal S2)
External fault at multi-function input terminal S2.
EF3
Pump fault (input terminal S3)
External fault at multi-function input terminal S3.
EF4
Pump fault (input terminal S4)
External fault at multi-function input terminal S4.
EF5
Pump fault (input terminal S5)
External fault at multi-function input terminal S5.
EF6
Pump fault (input terminal S6)
External fault at multi-function input terminal S6.
EF7
Pump fault (input terminal S7)
External fault at multi-function input terminal S7.
EF8 Pump fault (input terminal S8)
External fault at multi-function input terminal S8.
Cause Possible Solutions
An external device has tripped an alarm
function.
Remove the cause of the external fault and reset the multi-function input value.
Wiring is incorrect.
• 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.
Multi-function contact inputs are set
incorrectly.
• Check if the unused terminals have been set for H1-oo = 2C to 2F (External Fault).
• Change the terminal settings.
HOA Keypad Display Minor Fault Name
EoF Emergency Override Forward Run
Cause Possible Solution
The multi-function digital input for
EmergOverrideFWD (H1-oo = AF) has
been closed.
Open H1-oo = AF if the emergency condition is no longer present
HOA Keypad Display Minor Fault Name
Eor Emergency Override Reverse Run
Cause Possible Solution
The multi-function digital input for
EmergOverrideREV (H1-oo = B0) has
been closed.
Open H1-oo = B0 if the emergency condition is no longer present
HOA Keypad Display Fault Name
E5
SI-T3 Watchdog Timer Error
The watchdog timed out.
Cause Possible Solution
Data has not been received from the PLC Execute DISCONNECT or ALM_CLR, then issue a CONNECT command or SYNC_SET command and
proceed to phase 3. Refer to the SI-T3 Option Technical Manual for more details on troubleshooting.
5.3 Alarm Detection
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide 263
5
Troubleshooting