295
Fault tracing
3ADW000379R0501 DCS550 Manual e e
display
Control Panel
word
active when
Off2 (Emergency Off / Coast stop) pending via digital
input
- start inhibition:
There is no problem with the
drive itself! Check:
− Off2 (10.08), if necessary invert the signal (group 10)
Off3 (E-stop) pending via digital input:
There is no problem with the drive itself!
Check:
E Stop (10.09), if necessary invert the signal (group
-Breaker acknowledge missing:
is set to 150° and single firing pulses are given, thus the
drive cannot be started or re
-started while the DC-breaker
Check:
DC BreakAck (10.23), if necessary invert the signal
Converter overtemperature:
Wait until the converter is cooled down.
Shutdown
MaxBridgeTemp (4.17). The converter
overtemperature alarm will already appear at
approximately 5°C below the
shutdown temperature.
FanDly (21.14)
converter cover missing
converter fan supply voltage
converter fan direction of rotation
converter fan components
converter cooling air inlet (e.g. filter)
converter cooling air outlet
ambient temperature
inadmissible load cycle
connector X12 on SDCS-CON-F
connector X12 and X22 on SDCS-PIN-F
if TypeCode (97.01) and S MaxBridgeTemp (97.04)
Dynamic braking is still pending:
α
is set to 150° and single firing pulses are given.
Motor measured overtemperature:
Check:
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
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