X5 AC Drive User’s Manual
Chapter 8: Troubleshooting
DPD00089A
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128 -
© 2009 Vacon Incorporated All Rights Reserved
23
Brk Wire
Broken wire
detection
0
The drive detected that the
potentiometer circuit wiring
opened and generated a fault.
Check wiring for loss of
connection to control terminals.
Check that a proper-value
potentiometer is installed.
24
Keypad Loss
Keypad loss
0
This fault occurs because of a
problem with the keypad or a
keypad connection. It occurs if the
drive detects that it cannot read
any key presses.
Check the connection from
keypad to control board. Note that
the keypad is not designed for
remote mounting without the use
of an X5 Remote Keypad option.
See .“Chapter 9: X5 Options” on
page 131 for more information.
1
This fault occurs because of a
problem with the keypad, a
keypad connection, or the wrong
keypad is being used. It occurs if
the keypad ID for an X5 cannot be
read.
2
This fault occurs because of a
problem with the keypad or a
keypad connection. It occurs if the
drive detects that it cannot write to
the LCD.
25
Comm Loss
Communication loss
0
This fault occurs when the drive is
in a serial link control path and the
amount of time since the last
Modbus comm. exceeds the time
set in parameter
903 (SIO Timer)
.
Check connections to the Modbus
port. Adjust value of parameter
903 (SIO Timer)
as needed.
26
Regen Time
Regen timeout
0
This fault occurs if the drive takes
more time to decelerate to a stop
than is allowed. The timeout is
determined by the longest
deceleration ramp time (Decel1 or
Decel2) plus the Regen Timeout
parameter.
Reduce the amount of
regenerative energy or iincrease
the Regen timeout parameter.
27
Pwr Bridge
Power bridge fault
0,1,2
The drive detected a failure in the
output power devices.
Check for failed input power
device.
28
Drive TOL
Drive timed overload
0
The drive sensed an overload that
exceeded the drive rating.
Check that load conditions do not
exceed the drive’s rating (120%
for 60 seconds from nameplate
current rating for normal duty and
150% or rated current for 60
seconds heavy duty).
29
Stuck Key
Stuck key error
0
This fault occurs if a key press is
detected upon power-up. This
would occur because of a
defective keypad or because
someone was holding down a key
when powering-up the drive.
Check for stuck keypad and repair
or replace. Consult factory.
30
Param Range
Parameter out of
range
0
One of the customer parameters
is out of range.
Check for a parameter value
saved out of the standard range.
Reset parameters to factory
default. Consult factory.
Table 8-1: X5 Fault Codes
(Page 4 of 6)
Code
Fault Display
Description
Adv. Fault
Code
Explanation
Suggestions for Recovery
Note:
Shaded faults are auto-resettable, except where noted.
