Lenze E931E Series, Руководство по оборудованию, Страница: 40 / 47

Troubleshooting and fault elimination
Error message
7
40
GHB 13.0001−EN EN 3.0
Red LED is
blinking Reaction Cause Remedy
A h W O
15x
þ
− − − Parameter set
inconsistent Check parameter set of the drive by means
of the parameterisation software (
931E
Software Manual).
10x
þ ¨ ¨ ¨
I
2
t error
l
Adjust the i
2
t time of the motor.
( 931E Software Manual)
l Effect resolver adjustment. ( 931E
Software Manual)
l
Check set motor data. ( 931E
Software Manual)
l Optimise controller setting. ( 931E
Software Manual)
l
Adjust travel profile (e. g. adjust
acceleration ramps).
l Reduce load torque of the motor.
9x
þ ¨ ¨ ¨
Following error position
control
l
Optimise controller setting to improve
the running precision. (
931E
Software Manual)
l
Adjust travel pofile (e. g. reduce
acceleration and braking ramps.
(
931E Software Manual)
l Amplify following error
window/increase switch−in delay.
(
931E Software Manual)
8x
þ
− − − Resolver or SINCOS
encoder error; as the case
may be, definite
recognition only possible
after approx. ½ motor
revolution
l
Check correct fit of the resolver plug.
l
Check resolver cable with regard to
cable breakage, short circuit.
l Check PIN assignment of the resolver
cable plug.
l
Parameterise encoder correctly.
(
931E Software Manual)
7x
þ
− − − Overvoltage in the DC
bus > 70 V
l
Check whether power supply unit
operates correctly, and whether the
supply voltage of the power unit is
settled in the permissible range
(19.2 V DC ... 57.6 V DC).
l
Decrease the steepness of the braking
ramp. (
931E Software Manual)
l Connect external brake resistor to X2.
l
Check whether other drives connected
to the DC supply of the power unit have
caused this overvoltage.
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