Siemens 3RW44 Manual page 179

Note
Channel-related diagnostics is always updated up to the current diagnostics message in the
diagnostics message frame. Subsequent, older diagnostics messages are not deleted.
Remedy: Evaluate the valid, current length of the diagnostics message frame:
• STEP 7 from the parameter RET_VAL of SFC 13.
Fault types
The diagnostics alarm is signaled on channel 0.
Table 9- 14 Fault types
Fault Fault type
No.
F1 00001:
Short-circuit
F4 00100:
Overload
F5 00101:
Overtemperature
F6 00110:
Wire break
F7 00111:
Maximum limit value
exceeded
F8 01000:
Minimum limit value
undershot
F9 01001:
Error
F16 10000:
Parameterization error
F17 10001:
No sensor or load voltage
3RW44 soft starters
Manual, 03/2017, NEB535219502000/RS-AB/008
Meaning/cause
Short-circuit of the
•
temperature sensor
Overload of the temperature
•
sensor
Overload of the thermal motor
•
model
Overload of the contact block
•
Wire break of the temperature
•
sensor
I limit value overshot
•
e
I limit value undershot
•
e
Internal error/device error
•
Contact block defective
•
Invalid parameter value
•
Electronics supply voltage too
•
low
No contact block supply
•
voltage
No supply voltage
•
PROFIBUS DP communication module
9.9 Diagnosis with STEP 7
Delete alarm bit/acknowledgement
Alarm bit is automatically deleted when the
cause of the fault has been removed and
acknowledged with "trip reset".
Alarm bit is updated continually.
Alarm bit is automatically deleted when the
cause of the fault has been removed and
acknowledged with "trip reset".
Alarm bit is updated continually.
Alarm bit can be deleted when the cause of
the error has been eliminated by
Switching the supply voltage On and Off
•
"Restart" command if possible
•
Alarm bit is always deleted when
acknowledged with "trip reset".
Alarm bit is deleted when the cause of
tripping has been eliminated or automatically
acknowledged.
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