The drive is attempting to operate a specialized
motor or a motor larger than the maximum size
allowed
• Check the motor capacity.
• Ensure that the rated capacity of the drive is greater than or equal to the capacity rating found on the
motor nameplate.
Magnetic contactor (MC) on the output side of
the drive has turned on or off
Set up the operation sequence so the MC does not trip while the drive is outputting current.
V/f setting is not operating as expected
• Check the ratios between the voltage and frequency.
• Set parameters E1-04 through E1-10 appropriately.
• Lower the voltage if it is too high relative to the frequency.
Excessive torque compensation
• Check the amount of torque compensation.
• Reduce the torque compensation gain (C4-01) until there is no speed loss and less current.
Drive fails to operate properly due to noise
interference
• Review the possible solutions provided for handling noise interference.
• Review the section on handling noise interference on page
and check the control circuit lines, main
circuit lines, and ground wiring.
Overexcitation gain is set too high
• Check if the fault occurs simultaneously with overexcitation function operation.
• Consider motor flux saturation and reduce the value of n3-13 (Overexcitation Deceleration Gain).
Run command was applied while motor was
coasting
• Set b3-01 to 1 to enable Speed Search at Start.
• Program the Speed Search command input through one of the multi-function contact input terminals
(H1-
oo
= 61 or 62).
The rated output current of the drive is too
small
Use a larger drive.
Digital Operator Display
Fault Name
oFA00
Option Card Connection Error at Option Port CN5-A
Option compatibility error
Cause
Possible Solution
The option card installed into port CN5-A is
incompatible with the drive
Check if the drive supports the option card to be installed. Contact Yaskawa for assistance.
Digital Operator Display
Fault Name
oFA01
Option Card Fault at Option Port CN5-A
Option not properly connected
Cause
Possible Solution
The option card connection to port CN5-A is
faulty
• Turn off the power and reconnect the option card.
• Check if the option card is properly plugged into the option port. Make sure the card is fixed properly.
• If the option is not a communication option card, try to use the card in a different option port. If the
option card works properly in a different option port, CN5-A is damaged, and the drive requires
replacement. If the error persists (oFb01 or oFC01 occur), replace the option card.
Digital Operator Display
Fault Name
to
oFA03 to oFA06
Option Card Error Occurred at Option Port CN5-A
,
oFA10, oFA11
to
oFA12 to oFA17
Option Card Connection Error (CN5-A)
to
oFA30 to oFA43
Communication Option Card Connection Error (CN5-A)
Cause
Possible Solution
Option card or hardware is damaged
• Cycle power to the drive.
• 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.
Digital Operator Display
Fault Name
oFb00
Option Card Fault at Option Port CN5-B
Option compatibility error
Cause
Possible Solution
The option card installed into port CN5-B is
incompatible with the drive
Make sure the drive supports the option card to be installed. Contact Yaskawa for assistance.
A communication option card has been
installed in option port CN5-B
Communication option cards are only supported by option port CN5-A. It is not possible to install more
than one communication option.
6.4 Fault Detection
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
301
6
Troubleshooting
Содержание P1000
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