Vacon NX series Applications Manual page 385

FAULT TRACING
Fault
Fault
code
7 Saturation trip
8 System fault
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Subcode in
Possible cause
T.14
defective component
•
brake resistor short-
•
circuit or overload
S1 =
Reserved
operation malfunction
•
defective component
•
S2 =
Reserved
S3 =
Reserved
S4 =
Reserved
S5 =
Reserved
S6 =
Reserved
S7 =
Charging
switch
S8 = No
power to
driver card
S9 = Power
unit com-
munication
(TX)
S10 =
Power unit
communi-
cation
(Trip)
S11 =
Power unit
comm.
(Measure-
ment)
VACON · 385
How to correct the fault
This fault cannot be reset from the
control panel. Switch off the power.
DO NOT RESTART THE DRIVE or
CONNECT THE POWER! Ask
instructions from the factory. If this
fault shows at the same time with
Fault 1, do a check of the motor
cable and the motor.
Reset the fault and start the drive
again. If the fault shows again, ask
instructions from the distributor
near to you.
9