22 • vacon Fault codes
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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.
31 IGBT
temperature
(hardware)
IGBT Inverter Bridge overtemperature
protection has detected too high short
term overload current
35 Application Problem in application software Contact your distributor. If you are
application programmer check the
application program.
37 Device changed
(same type)
Option board or power unit changed.
New device of same type and rating.
Reset. Device is ready for use.
Old parameter settings will be used.
38 Device added
(same type)
Option board added.
Reset. Device is ready for use.
Old board settings will be used.
39 Device removed Option board removed. Reset. Device no longer available.
40 Device
unknown
Unknown option board or drive.
Subcode in T.14:
S1 = Unknown device
S2 = Power1 not same type as Power2
Contact the distributor near to you.
Please visit:
http://www.vacon.com/wwcontacts.html
41 IGBT temperature IGBT Inverter Bridge overtemperature
protection has detected too high a short
term overload current
44 Device changed
(different type)
Option board or power unit changed.
New device of different type or different
rating than the previous one.
Reset
Set the option board parameters again if
option bard changed. Set converter
parameters again if power unit changed.
45 Device added
(different type)
Option board of different type added. Reset
Set the option board parameters again.
51 External fault Digital input fault. - Remove fault situation from external
device.
54 Slot fault Defective option board or slot Check board and slot.
Contact the nearest Vacon distributor.
Please visit:
http://www.vacon.com/wwcontacts.html
58 PT100 fault Temperature limit values set for the
PT100 have been exceeded.
60 KLIXON Status of KLIXON input is LOW.
61 Thermistor
fault
The thermistor input of option board has
detected too high resistor temperature
Check resistors.
Check thermistor connection
(If thermistor input of the option board is
not in use it has to be short circuited)
Table 6-1. Fault codes
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