YASKAWA iQpump1000 Quick Start Manual page 178

5.2 Fault Detection
HOA Keypad Display
CPF25
Cause
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
E5
Cause
Data has not been received from the PLC Execute DISCONNECT or ALM_CLR, then issue a CONNECT command or SYNC_SET command and
HOA Keypad Display
EF0
Cause
An external fault was received from the
PLC and F6-03 is set to a value other than
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
Wiring is incorrect
Multi-function contact input setting is
incorrect
178
Terminal Board Not Connected
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.
SI-T3 Watchdog Timer Error
The watchdog timed out.
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.
• Properly connect the signal lines to the terminals assigned for external fault detection
(H1-oo = 20 to 2B).
• Reconnect the signal line.
• Check for unused terminals set for H1-oo = 20 to 2B (External Fault).
• Change the terminal settings.
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution