Fault correction
09/01 AWB8230-1412GB
106
To be observed when saving changed parameters:
After saving changed parameters with the ENTER key, no inputs
can be made using the keypad of the frequency inverter for at least
six seconds. If, however, a key is pressed before this time elapses,
or if the reset command is issued or the frequency inverter is swit-
ched off, the data may not be correctly saved.
The motor does not
operate smoothly.
– Are the load changes on the motor too high? Select a frequency inverter and motor with a
higher performance.
Reduce the level of load changes.
Do resonant frequencies occur on the motor? Mask these frequencies with the frequency jumps
(PNU A63 to A68, a Section ”Operating
frequency range”, Page 83) or change the pulse
frequency (PNU b83, a Section ”Carrier
frequency”, Page 101).
The drive speed does
not correspond with
the frequency
–
Is the maximum frequency set correctly? Check the set frequency range or the set voltage/
frequency characteristic.
Are the rated speed of the motor and the gearbox
reduction ratio correctly selected?
Check the rated motor speed or the gearbox
reduction ratio.
The saved parame-
ters do not corres-
pond to the entered
values.
Entered values have
not been saved.
The supply voltage was switched off before the
entered values were saved by pressing the ENTER
key.
Reenter the affected parameters and save the
input again.
After the supply voltage was switched off, the
entered and saved values are transferred into the
internal EEPROM. The supply voltage should
remain off for at least six seconds.
Enter the data again and switch off the supply
voltage for at least six seconds.
The values of the
copy unit were not
accepted by the
frequency inverter.
After copying the parameters of the external
keypad DEX-KEY-10 into the frequency inverter,
the supply voltage was left on for less than six
seconds.
Copy the data again and leave the supply voltage
on for at least six seconds after completion.
It is not possible to
make any inputs.
The motor cannot be
started or stopped or
setpoint values
cannot be set.
Are PNU A01 and A02 set correctly? Check the settings under PNU A01 and A02
(a Section ”Setting the frequency and start
command parameters”, Page 78).
No parameters can
be set or changed.
Has the software parameter protection been
activated?
Deactivate the parameter protection with
PNU b31 (a Section ”Parameter protection”,
Page 100), so that all parameters can be
changed again.
Has the hardware parameter protection been
activated?
Deactivate the digital input configured as SFT
(a Section ”Software protection SFT”,
Page 66).
Is DIP switch position 4 (external keypad
DEX-KEY-10) set to ON?
Set switch 4 to the OFF position so that data can
be read from the remote operating unit.
The electronic motor
protection activates
(fault message:
E 05).
Is the manual boost set too high?
Were the correct settings made for the electronic
motor protection?
Check the boost setting and the electronic motor
protection setting. (a Section ”Voltage/
frequency characteristics and boost”, Page 81)
Fault Condition
Possible cause Remedy
To Next Page
Loading...
