TAM 00609
17
DA 100
– 280
03 / 2015
Three phase asynchronous motor air cooled
Englisch
Malfunctions
4.4
Safety instructions:
Error search as well as troubleshooting may be carried out by qualified personnel,
only.
Do not disconnect any of the safety devices
– even during test operations
Disconnect and connect electrical connection cables in de-energized and protected
condition, only.
Observe the five safety disconnection rules (refer to section 3.3).
Pay attention to hot surfaces!
•
refer to the operating instructions of the machine/system
•
refer to the operating instructions of the converter
•
If necessary, contact the manufacturer of the motor or converter
Have the following parameters ready:
Type plate data
Type and scope of malfunction
Circumstances leading up to the malfuntion
Application data (torque cycle, speed and forces over time; ambient conditions)
The following error cause selection can be helpful with regard to the troubleshooting:
Fault
Cause
Recovery
Motor does not start
No controller enable
Controller error, encoder error
Brake doe not release
Brake defect
No power supply
Rotating field
Activate controller enable
Read out error list at converter
or controller, troubleshooting
Check connections and power
supply
Repair by manufacturer
Check connections and power
supply
Check phase sequence, if
necessary, replace connecting
cables
Uneven running
Insufficient screening on
connecting cables
Controller parameters too high
Check screening connection and
grounding
Optimize controller parameters
Vibrations
Coupling element or work machine
poorly balanced
Inadequate alignment of the drive
train
Fixing screws loose
Rebalance
Realign machine set
Check and tighten screwed
connections
Running noises
Foreign matter in motor
Damaged bearing
Repair by motor manufacturer
Repair by motor manufacturer
Temperature rise in motor
Motor temperature monitoring
unit responds
Drive overloaded
Brake does not release fully -
Check motor load and compare
with type plate
Repair by motor manufacturer