Fault tracing 337
Alarm messages generated by the drive
CODE ALARM CAUSE WHAT TO DO
2001 OVERCURRENT
0308 bit 0
(programmable fault
function 1610)
Output current limit
controller is active.
Check motor load.
Check acceleration time (2202 and
2205).
Check motor and motor cable
(including phasing).
Check ambient conditions. Load
capacity decreases if installation site
ambient temperature exceeds 40 °C.
See section Derating on page 359.
2002 OVERVOLTAGE
0308 bit 1
(programmable fault
function 1610)
DC overvoltage
controller is active.
Check deceleration time (2203 and
2206).
Check input power line for static or
transient overvoltage.
2003 UNDERVOLTAGE
0308 bit 2
(programmable fault
function 1610)
DC undervoltage
controller is active.
Check input power supply.
2004 DIR LOCK
0308 bit 3
Change of direction is
not allowed.
Check parameter 1003 DIRECTION
settings.
2005 IO COMM
0308 bit 4
(programmable fault
function 3018, 3019)
Fieldbus
communication break
Check status of fieldbus
communication. See chapter Fieldbus
control with embedded fieldbus on
page 301, chapter Fieldbus control
with fieldbus adapter on page 325 or
appropriate fieldbus adapter manual.
Check fault function parameter
settings.
Check connections.
Check if master can communicate.
2006 AI1 LOSS
0308 bit 5
(programmable fault
function 3001, 3021)
Analog input AI1 signal
has fallen below limit
defined by parameter
3021 AI1 FAULT
LIMIT.
Check fault function parameter
settings.
Check for proper analog control signal
levels.
Check connections.
2007 AI2 LOSS
0308 bit 6
(programmable fault
function 3001, 3022)
Analog input AI2 signal
has fallen below limit
defined by parameter
3022 AI2 FAULT
LIMIT.
Check fault function parameter
settings.
Check for proper analog control signal
levels.
Check connections.
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