Vacon NX series Applications Manual page 388

VACON · 388
Fault
Fault
code
36 Control unit
37 ** Device changed
(same type)
38 ** Device added
(same type)
39 ** Device removed
40 Device unknown
41 IGBT temperature
42 Brake resistor
overtemperature
9
Subcode in
Possible cause
T.14
NXS Control Unit can not
control NXP Power Unit and
vice versa
The option board was
replaced by a new one that
you have used before in the
same slot. The parameters
are available in the drive.
The option board was added.
You have used the same
option board before in the
same slot. The parameters
are available in the drive.
An option board was
removed from the slot.
S1 = An unknown device was
Unknown connected (the power unit/
device option board)
S2 =
Power1not
same type
as Power2
IGBT Inverter Bridge over-
temperature protection has
detected too high a short
term overload current.
Brake resistor overtemper-
ature protection has detec-
ted too heavy braking.
FAULT TRACING
How to correct the fault
Change the control unit.
Reset the fault. The device is ready
for use. The drive starts to use the
old parameter settings.
Reset the fault. The device is ready
for use. The drive starts to use the
old parameter settings.
The device is not available. Reset
the fault.
Ask instructions from the distribu-
tor near to you.
Do a check of the loading. Do a
check of the motor size. Make an
identification run.
Set the deceleration time longer.
Use external brake resistor.
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