Fault
code
Fault
Subcode in
T.14
Possible cause
How to correct the fault
8
System fault
S1 =
Reserved
•
operation malfunction
•
defective component
Reset the fault and start the drive
again.
If the fault shows again, ask
instructions from the distributor
near to you.
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)
9 *
Undervoltage
S1 = DC-
link too low
during run
The DC-link voltage is lower
than the limits.
•
too low a supply volt-
age
•
AC drive internal fault
•
a defective input fuse
•
the external charge
switch is not closed
If there is a temporary supply volt-
age break, reset the fault and start
the drive again.
Do a check of the supply voltage. If
the supply voltage is sufficient,
there is an internal fault.
Ask instructions from the distribu-
tor near to you.
S2 = No
data from
power unit
S3 =
Undervolt-
age control
supervision
FAULT TRACING
VACON · 151
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