289
Fault tracing
3ADW000379R0501 DCS550 Manual e e
display
Control Panel
word
active when
connector X12 on SDCS-CON-F
connector X12 and X22 on SDCS-PIN-F
if TypeCode (97.01) and S MaxBridgeTemp (97.04)
Motor measured overtemperature:
Wait until the motor is cooled down. The motor fan will
continue to work until the motor is cooled down
under the
level. It is not possible to reset the fault as long as
the motor remains too hot.
Check:
M1FaultLimTemp (31.07), M1KlixonSel (31.08)
M1AlarmLimTemp (31.06)
motor temperature
motor fan supply voltage
motor fan direction of rotation
motor fan components
motor cooling air inlet (e.g. filter)
motor cooling air outlet
motor temperature sensors and cabling
ambient temperature
inadmissible load cycle
− inputs for temperature sensor on SDCS-CON-F
Motor calculated overload:
Wait until the motor is cooled down. The motor fan will
continue to work until the motor is calculated down
under
alarm level. It is not possible to reset the fault as long
as the motor remains too hot.
Check:
M1FaultLimLoad (31.04)
I/O board not found or faulty:
Check:
Diagnosis (9.11)
Ext IO Status (4.20)
SDCS-COM-8
CommModule (98.02), DIO ExtModule1 (98.03), DIO
ExtModule2 (98.04), AIO ExtModule (98.06)
Mains low (under-) voltage (AC):
Check:
PwrLossTrip (30.21), UNetMin1 (30.22), UNetMin2
(30.23), PowrDownTime (30.24)
if all 3 phases are present:
measure the fuses F100 to F102 on the SDCS-PIN-F)
if the mains voltage is within the set tolerance
if the main contactor closes and opens
if the mains voltage scaling is correct [NomMainsVolt
(99.10)]
connector X12 and X13 on SDCS-CON-F
connector X12 and X13 on SDCS-PIN-F
check if the field circuit has no short circuit or ground
fault
− In case the On command [UsedMCW (7.04) bit 0] is
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