FAULT TRACING vacon • 107
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11
43
Encoder fault
Problem detected in encoder signals.
Sub code in T.14:
S1 = Encoder 1 channel A is missing
S2 = Encoder 1 channel B is missing
S3 = Both enc. 1 channels are missing
S4 = Encoder reversed
S5 = Encoder board missing
S6 = Serial communication fault
S7 = Channel A/Channel B mismatch
S8 = Resolver/Motor pole pair mis
match
S9 = Missed start angle
Check encoder channel connections.
Check the encoder board.
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.
49
Div by zero in
application
A division by zero has occurred in the
application program.
Contact your distributor. If you are
application programmer check the
application program.
50
Analogue input
I
in
< 4 mA (sel.
signal range 4 to
20 mA)
Current at the analogue input is < 4 mA.
- control cable is broken or loose
- signal source has failed
Check the current loop circuitry.
51
External fault Digital input fault.
52
Keypad
communication
fault
The connection between the control
keypad and the frequency converter is
broken.
Check keypad connection and possible
keypad cable.
53
Fieldbus fault
The data connection between the
fieldbus Master and the fieldbus board
is broken.
Check installation.
If installation is correct contact the
nearest Vacon distributor.
54
Slot fault Defective option board or slot.
Check board and slot.
Contact the nearest Vacon distributor.
56
PT100 board
temp. fault
Temperature limit values set for the
PT100 board parameters have been
exceeded.
Find the cause of temperature rise.
Table 37. Fault codes
Fault
code
Fault Fault Correcting measures
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