YASKAWA iQpump1000 User Manual page 254

5.2 Fault Detection
HOA Keypad Display
Terminal board is not connected correctly Reconnect the terminal board to the connector on the drive, then cycle the power to the drive.
HOA Keypad Display
CPF26 to CPF35
CPF40 to CPF43
Cause
Hardware is damaged
HOA Keypad Display
DIFF
Differential Det
Cause
The difference between the PID Feedback
and the Differential Feedback (H3-oo =
28) exceeded the P4-18 level for the time
set in P4-19.
HOA Keypad Display
E5
Cause
Data has not been received from the PLC
HOA Keypad Display
EF0
Cause
An external fault was received from the
PLC and F6-03 ≠ 3.
Problem with the PLC program
HOA Keypad Display
EF1
EF2
EF3
EF4
EF5
EF6
EF7
EF8
Cause
An external device tripped an alarm
function
254
Control Circuit Error
CPU error
If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
Differential Feedback Detected
• Replace the feedback transducer or transducers.
• Verify parameter settings P4-18 to P4-20.
SI-T3 Watchdog Timer Error
The watchdog timed out.
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.
Option Card External Fault
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.
Pump Fault (input terminal S1)
External fault at multi-function input terminal S1.
Pump Fault (input terminal S2)
External fault at multi-function input terminal S2.
Pump Fault (input terminal S3)
External fault at multi-function input terminal S3.
Pump Fault (input terminal S4)
External fault at multi-function input terminal S4.
Pump Fault (input terminal S5)
External fault at multi-function input terminal S5.
Pump Fault (input terminal S6)
External fault at multi-function input terminal S6.
Pump Fault (input terminal S7)
External fault at multi-function input terminal S7.
Pump Fault (input terminal S8)
External fault at multi-function input terminal S8.
Remove the cause of the external fault and reset the fault.
Fault Name
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual