10
vacon • 79
MAINTENANCE AND TROUBLESHOOTING
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
44
Device changed
(different type)
Option board or power unit changed.
New device of different type or differ-
ent
rating than the previous one.
Reset
Set the option board
parameters
again if option bard
changed. Set
inverter parameters
again if
power unit changed.
---
45
Device added
(different type)
Option board of different type added.
Reset
Set the option board
parameters
again.
---
48
Parameter Fault
Parameter Fault
Check parameters
value
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49
Division by zero
in
application
Division by zero has occurred in appli-
cation
programm
Contact your distribu-
tor if
the fault re-occurs
while the
inverter is in run state.
If
you are application
programmer
check the application
program.
---
51
External Trip
Trip signal from digital input.
Remove fault situation
from
external device.
X
53
Fieldbus Board
A Fieldbus card in slot D or E has sta-
tus
“Faulted”
Check installation.
If installation is cor-
rect contact
the nearest distributor.
---
54
Slot Communica-
tion
A option board in slot B,C,D or E has
status “Communication Lost”
Check board and slot.
Contact the nearest
Vacon distributor.
---
55
SB Board Fault
A systembus card in slot D or E has
status “Faulted”
Check the System bus
Board
---
59
SB Heartbeat
An inverter is activated as a slave
inverter
in array configuration without a
heartbeat signal on the bus, Hence,
no
master inverter active.
Check the System bus
---
64
MCC Fault
Contactor acknowledgment is used
through digital input and close com-
mand
is given without response within
the time set with parameter “MCont
FaultDelay”
Check the main power
switch of
the
Inverter and Acknowl-
edge input.
---
Fault
code
Fault
Possible cause
Correcting measures
Auto
Reset
