ASFIFF12 High Speed
vacon • 61
24-hour s358 (0)40 837 1150 • Email: [email protected]
3
Fault
code
Fault
Possible cause
Correcting measures
9
Undervoltage
DC-link voltage is under the drive fault
voltage limit. See user manual.
−
most probable cause: too low a
supply voltage
−
frequency converter internal fault
−
One of input fuse is broken.
−
External charge switch have not
been closed.
Subcode in
T.14:
S1 = DC-link too low during run
S2 = No data from power unit
S3 = Undervoltage control supervision
- In case of temporary supply voltage
break, reset the fault and restart the
frequency converter.
- Check the supply voltage.
- If it is adequate, an internal failure has
occurred.
- Check input fuses
- Check DC charge function
- Contact your local distributor.
10
Input line
supervision
Input line phase is missing.
Subcode in
T.14:
S1 = Phase supervision diode supply
S2 = Phase supervision active front end
Check supply voltage, fuses and cable.
11
Output phase
supervision
Current measurement has detected that
there is no current in one motor phase.
Check motor cable and motor.
12
Brake chopper
supervision
−
no brake resistor installed
−
brake resistor is broken
−
brake chopper failure
- Check brake resistor and cabling.
- If ok, the chopper is faulty. Contact
your local distributor.
13
Frequency con-
verter under-
temperature
Heatsink temperature is under –10
°
C
14
Frequency con-
verter over-
temperature
Heatsink temperature is over 90
°
C
Overtemperature warning is issued
when the heatsink temperature exceeds
85
°
C.
- Check the correct amount and flow of
cooling air.
- Check the heatsink for dust.
- Check the ambient temperature.
- Make sure that the switching frequency
is not too high in relation to ambient tem-
perature and motor load.
15
Motor stalled
Motor stall protection has tripped.
Check motor and load.
16
Motor over-
temperature
Motor overheating has been detected by
frequency converter motor temperature
model. Motor is overloaded.
Decrease the motor load.
If no motor overload exists, check the
temperature model parameters.
17
Motor
underload
Motor underload protection has tripped.
Check load.
18
Unbalance
(Warning only)
Unbalance between power modules in
paralleled units.
Subcode in
T.14:
S1 = Current unbalance
S2 = DC-Voltage unbalance
Should the fault re-occur, contact your
local distributor.
22
EEPROM
checksum fault
Parameter save fault
−
faulty
operation
−
component
failure
Should the fault re-occur, contact your
local distributor.
24
Counter fault
Values displayed on counters are
incorrect
Have a critical attitude towards values
shown on counters.
25
Microprocessor
watchdog fault
−
faulty
operation
−
component
failure
Reset the fault and restart.
Should the fault re-occur, contact your
local distributor.
26
Start-up
prevented
- Start-up of the drive has been
prevented.
- Cancel prevention of start-up if this can
be done safely.