Danfoss Vacon NXP Series, Руководство по эксплуатации, Страница: 165 / 174

Fault
code Fault Subcode
in T.14 Possible cause How to correct the fault
26 Start-up pre-
vented Start-up of the drive has been preven-
ted. Run request in ON when new ap-
plication is downloaded to the drive. Cancel prevention of start-up if it can be
done safely.
Remove Run request
29
(1)
Thermistor
fault The thermistor input of option board
has detected increase of the motor
temperature. Do a check of the motor cooling and loading.
Do a check of the thermistor connection.
(If thermistor input of the option board is not
in use it has to be short-circuited).
30 Safe disable The input on OPTAF board has opened. Cancel Safe Disable if it can be done safely.
31 IGBT tempera-
ture (hard-
ware) IGBT Inverter Bridge overtemperature
protection has detected too high a
short-term overload current. Do a check of the loading.
Do a check of the motor frame size.
Make an identification run.
32 Fan cooling Cooling fan of the AC drive does not
start, when ON command is given. Ask instructions from the local distributor.
34 CAN bus com-
munication Sent message not acknowledged. Make sure that there is another device on the
bus with the same configuration.
35 Application Problem in application software. Ask instructions from the local distributor.
For an application programmer: do a check
of the application program.
36 Control unit NXS Control Unit cannot control NXP
Power Unit and the opposite way. Change the control unit.
37 (2)
Device
changed
(same type) The option board was replaced by a
new one that was used before in the
same slot. The parameters are available
in the drive. Reset the fault. The device is ready for use.
The drive starts to use the old parameter set-
tings.
38
(2)
Device added
(same type) The option board was added. The
same option board has been used in
the same slot before. The parameters
are available in the drive. Reset the fault. The device is ready for use.
The drive starts to use the old parameter set-
tings.
39 (2)
Device re-
moved An option board was removed from
the slot. The device is not available. Reset the fault.
40 Device un-
known S1 = Un-
known de-
vice An unknown device was connected
(the power unit/ option board) Ask instructions from the local distributor.
S2 = Pow-
er1not
same type
as Power2
Specifications Operating guide | VACON® NXS/NXP Air-cooled
DPD00910G | 165
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