ABB ACS850 - Page 304

304 Fault tracing
0039 ENCODER 1
(0x7301)
Encoder 1 feedback fault. If fault appears during first start-up before
encoder feedback is used:
- Check cable between encoder and
encoder interface module (FEN-xx) and
order of connector signal wires at both
ends of cable.
If fault appears after encoder feedback
has already been used or during drive
run:
- Check that encoder connection wiring
or encoder is not damaged.
- Check that encoder interface module
(FEN-xx) connection or module is not
damaged.
- Check earthings (when disturbances
are detected in communication between
encoder interface module and encoder).
For more information on encoders, see
parameter groups 90 Enc module sel, 92
Resolver conf and 93 Pulse enc conf.
0040 ENCODER 2
(0x7381)
Encoder 2 feedback fault. See fault 0039.
0045 FIELDBUS COMM
(0x7510)
Programmable fault:
50.02 Comm loss func
Cyclical communication
between drive and fieldbus
adapter module or between
PLC and fieldbus adapter
module is lost.
Check status of fieldbus communication.
See the appropriate User’s Manual of
fieldbus adapter module.
Check settings of parameter group 50
Fieldbus.
Check cable connections.
Check if communication master is able to
communicate.
0046 FB MAPPING FILE
(0x6306)
Drive internal fault Contact your local ABB representative.
0047 MOTOR OVERTEMP
(0x4310)
Programmable fault:
31.01 Mot temp1 prot
Estimated motor temperature
(based on motor thermal
model) has exceeded fault limit
defined by parameter 31.04
Mot temp1 fltLim.
Check motor ratings and load.
Let motor cool down. Ensure proper
motor cooling: Check cooling fan, clean
cooling surfaces, etc.
Check value of fault limit.
Check motor thermal model settings
(parameters 31.09…31.14).
Measured motor temperature
has exceeded fault limit
defined by parameter 31.04
Mot temp1 fltLim.
Check that actual number of sensors
corresponds to value set by parameter
31.02 Mot temp1 src.
Check motor ratings and load.
Let motor cool down. Ensure proper
motor cooling: Check cooling fan, clean
cooling surfaces, etc.
Check value of fault limit.
0049 AI SUPERVISION
(0x8110)
Programmable fault:
13.32 AI superv func
An analogue input has reached
limit defined by parameter
13.33
AI superv cw.
Check analogue input source and
connections.
Check analogue input minimum and
maximum limit settings.
Code Fault
(fieldbus code)
Cause What to do