Fault tracing
vacon • 87
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
9
9.
F
AULT
TRACING
When the option board or the AC drive control diagnostics detect an unusual operating condition,
the drive opens a notification, for example, on the keypad. The keypad shows the ordinal number of
the fault, the fault code and a short fault description.
You can reset the fault with the Reset button on the control keypad, via the I/O terminal or via the
used fieldbus protocol. The faults are stored in the Fault history menu, which can be browsed. The
fault table presents only the fault conditions related to the fieldbus in use.
NOTE!
When you contact a distributor or a factory because of a fault condition, always write down
all the texts and codes on the keypad display. Then send detailed problem description together with
the Drive Info (Service Info) File to the local distributor. See local contacts: http://drives.dan-
foss.com/danfossdrives/local-contacts/. If possible, also send CAN communication log from the
fault situation if applicable.
9.1
Typical fault conditions
Table 117. Typical fieldbus fault conditions
Fault condition
Possible cause
Remedy
No communication
Cabling
Supply or motor cables are located too
close to the fieldbus cable
Refer to 6.2
(part 9)
Wrong type of fieldbus cable, e.g. insuffi-
cient shielding
Refer to 4.2
Too long cabling
Invalid termination
Grounding
Inadequate or invalid grounding
Connections
Excessive stripping of cables
Refer to 6.2
Conductors in wrong terminals
Refer to 5.1
Too loose connections of conductors
Faulty communication
Parametriza-
tion
Overlapping Node ID
Refer to 7.1
Wrong baud rate
Drive does not start
PDO mapping is invalid
Wrong control place selected
Refer to 11.
Drive runs at wrong
speed
Wrong motor control mode selected
Fieldbus fault (F53)
Fieldbus
See chapter 9.2
Summary of Contents for CANopen OPTE6
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