Error Codes - Danfoss VLT Series Programming Manual

Diagnostics
Fault
Servo drive does
not run or only
starts up slowly or
with difficulty.
Drive hums and
draws high
current.
Drive stops
suddenly and
does not restart.
Wrong motor
rotation direction.
9 9
Drive runs
normally, but
does not generate
the expected
torque.
Drive screaming.
Uneven running.
Vibration.
(Unusual) running
noises
368
VLT
Possible cause Possible solution
• •
Bearing wear. Check the
bearings and
•
Incorrect
shaft.
parameter
•
settings. Check the
parameter
•
Incorrect control
settings.
loop parameters.
•
Incorrect torque
settings.
Drive defective. Contact Danfoss.
•
No drive Check the fieldbus
communication. connection and the
status indicators
•
Servo drive in
(LEDs) on the servo
error mode.
drive.
•
Parameter error. Check the
parameter
settings.
•
Change the
rotation direction
if appropriate.
• •
Drive defective. Check the
parameter
•
Parameter error.
settings.
•
Contact Danfoss.
• •
Incorrect Check the
calibration. parameter
settings.
•
Faulty current
•
measurement. Contact Danfoss.
•
Incorrect control
loop parameters.
Defective bearing. Check the shaft.
• •
Defective bearing. Check the shaft.
• •
Incorrect control Check the
loop parameters. parameter
settings.
• •
Defective bearing. Check the shaft.
• •
Defects on Check for loose
connected mechanical
mechanics. components on
the attached
•
Incorrect control
mechanics.
loop parameters.
•
Check the
parameter
settings.
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® ®
Integrated Servo Drive ISD
Fault
System fuse
blows, circuit
breaker trips, or
drive protection
trips immediately.
Drive speed drops
sharply under
load.
Brake does not
release.
Holding brake
does not hold the
servo drive.
Brake
engagement
delayed.
Noises when
power-off brake
engaged.
LEDs do not light
up.
Error 0xFF91
occurs.
Table 9.1 Troubleshooting Servo Drive

9.2.2 Error Codes

Code Name
0x0000 No error
0x1000 Generic
application
error
0x2310 Overcurrent
on output
0x239B Overload on
output (I2T)
0x3210 DC link
overvoltage
0x3220 DC link
undervoltag
e
510 System
Possible cause Possible solution
• •
Short circuit.
• •
Incorrect control
loop parameters.
• •
Drive is running at
current limit.
• •
Drive is running
with incorrect
parameters.
Brake control Contact Danfoss.
defective.
•
Mechanical brake Contact Danfoss.
defective.
•
Shaft load exceeds
the holding
torque of the
brake.
Software error. Contact Danfoss.
Mechanical brake Contact Danfoss.
damaged.
No power supply. Check the power
supply.
Increments between Check for velocity or
succeeding values too guide value plausi-
big. bility distance.
Severity Description
(Warning/
Error/Trip
lock)
Error No error.
Error Generic
application
error.
Error Overcurrent
on output.
Warning, 2
I t thermal
error
state.
Error Overvoltage
on DC-link
voltage
Error Undervoltag
e on DC-link
voltage.
Check the wiring.
Contact Danfoss.
Check the
application.
Check the
parameter
settings.
LCP name
–
generic err
overcurr out
overload
UDC
overvolt
UDC
undervolt
MG36D102