Siemens Stober CombiDrive CM400/3 - Manual (Page 14)

English 3. Operating Information
© STÖBER plc 1998
05.02.01 12
3.6 If the Motor Does Not Start Up
Check the LEDs on the side of the inverter:
LED State CombiDrive ® Status
Green Yellow
ON ON Mains power on, CombiDrive ® not running (STANDBY)
ON OFF CombiDrive ® running, as per control commands (ON)
Flashing Flashing Current limit warning
Flashing ON CombiDrive ® overtemperature
ON Flashing Motor overtemperature
OFF ON Other fault (e.g. tripped)
OFF Flashing Mains undervoltage
OFF OFF Mains supply fault (e.g. faulty external switch)
If a fault occurs: switch off, disconnect and then reconnect the power and then switch on again. Switch off if
the fault condition persists. Trips can be reset by connecting a switch to DIN3 (see parameter P053).
If a warning occurs: switch off, disconnect and reconnect the power and then switch on again.
In either of the above cases, if the fault/warning persists then further investigation requires an OPm2 or a serial
link connection.
3.7 Local and Remote Control
The inverter can be controlled either locally (default), or remotely via a USS data line connected to the internal
RS485 telephone socket (SK200).
When local control is used (P910 = 0), the motor can only be controlled via the internal potentiometer or the
control terminals. Control commands, setpoints or parameter changes received via the RS485 interface have
no effect.
For remote control, the serial interface is designed as a 2-wire connection for bi-directional data transmission.
Refer to parameter P910 in section 4 for the available remote control options.
When operating via remote control the inverter will not accept control commands from the terminals.
Exception: OFF2 or OFF3 can be activated via parameter P051 to P053 (refer to parameters P051 to P053 in
section 4).
Several CombiDrive ® can be connected to an external control unit at the same time and can be addressed
individually.
Note: If the inverter has been set up to operate via the serial link but does not run when an ON command is
received, try reversing the connections to terminals 3 and 4 on SK200.
For further information, refer to the following documents:
E20125-B0001-S302-A1 Application of the USS Protocol in SIMOVERT Units 6SE21 and
MICROMASTER (German)
E20125-B0001-S302-A1-7600 Application of the USS Protocol in SIMOVERT Units 6SE21 and
MICROMASTER (English)