Operation Errors
Operation Errors
After the constants have been set, an operation error will occur if there is an invalid setting or a contradiction
between two constant settings.It won’t be possible to start the Inverter until the constants have been set
correctly. (The minor fault output
and fault contact output will not operate, either.)
When an operation error has occurred, refer to the following table to identify and correct the cause of
the errors.
Operation Error Displays and Incorrect Settings
Constant setting range error
Multi-function input selection
error
Option Card selection error
Control method selection error
Multi-function analog input
selection error
Constant selection error
V/f data setting error
Constant setting error
EEPROM write error
A verification error occurred when writing EEPROM.
Try turning the power supply off and on again.
Try setting the constants again.
One of the following constant setting errors exists.
The carrier frequency upper limit (C6-01) > 5 KHz and
the carrier frequency lower limit (C6-02)
≤ 5 KHz.
The carrier frequency gain (C6-03) > 6 and (C6-01) > (C6-02).
Upper/lower limit error in C6-01 to 03 or C8-15.
Constants E1-04, E1-06, E1-07, and E1-09 do not satisfy the following conditions:
S E1-04 (FMAX)
≥ E1-06 (FA) > E1-07 (FB) ≥ E1-09 (FMIN)
A setting has been made that is not required in the current control method.
Ex.: A function used only with flux vector control was selected for open-loop
vector control.
The same setting (other than 1F) has been selected for H3-05 and H3-09.
S An A1-14B Analog Reference Card is being used and F2-01 is set to 0, but a
multifunctionninput (H1-01 to H1-06) has been set to Option/Inverter Selection (2).
S 2 and D have been set to H3-05 and H3-09 (2 and D cannot be used simultaneously).
V/f control with PG feedback was selected by setting A1-02 to 1, but a PG Speed
Control Card isn’t connected.
Flux vector control was selected by setting A1-02 to 3, but a PG Speed Control Card
isn’t connected.
The Inverter capacity setting doesn’t match the Unit. (Contact your Yaskawa
representative.)
The constant setting is outside of the valid setting range.
One of the following errors has been made in the multi-function input (H1-01 to
H1-06) settings:
The same setting has been selected for two or more multi-function inputs.
An up or down command was selected independently. (They must be used together.)
The up/down commands (10 and 11) and Accel/Decel Ramp Hold (A) were selected
at the same time.
Speed Search 1 (61, maximum output frequency) and Speed Search 2 (62.
set frequency)were selected at the same time.
External BaseblockNO(8) and External Baseblock NC (9) were selected at th
e sametime.
The up/down commands (10 and 11) were selected while PID control (b5-01)
wasenabled.S The Terminal 13/14 Switch (1F) was selected, but the terminal 14
function selector(H3-09) wasn’t set to frequency reference (1F).
Positive and negative speed commands have not been set at the same time.
The emergency stop command NO and NC have been set at the same time.
The Option Card was selected as the frequency reference source by setting b1-01 to
3, but an Option Card isn’t connected
Incorrect Inverter capacity setting
Display
Meaning
Incorrect settings
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YD3000N
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