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6 SEM 2 DIAGNOSTICS
As described in the Chopper Diagnostics on Page 9, the following listing shows likely
problems associated with the Flashing RED LED.
N° FLASHES MESSAGE NOTES
1 LOGIC FAILURE Problem with Logic, or General Contactor.
1 MICRO ST6215 KO Problem with the Safety circuit of Microproc-
essor.
1 EEPROM KO Problem with EEPROM or logic.
2 INCORRECT START Starting sequence for travel not correct.
2 HANDBRAKE Switch Open or Failed.
2 FORW+ BACK Double Running request
3 CAPACITOR CHARGE Problem in Power Block.
3 VMN NOT OK VMN Problem with Chopper.
3 VFIELD NOT OK Problem with Field Voltage
4 VACC NOT OK Potentiometer Wiper Voltage too High.
4 PEDAL WIRE KO Problem in the wiring of Foot Pedal.
5 NO FIELD CUR. Open Circuit Field Winding or failure of the
Field Current Sensor.
5 HIGH FIELD CUR. Incorrect connection of Field Winding or fail-
ure of the Field Current Sensor.
5 STBY I HIGH Problem with Armature Current Sensor at
rest.
5 I= 0 EVER Open circuit Armature loop or problem with
Armature Current Sensor.
6 CONTACTOR DRIVER Problem with a Contactor Driver in logic.
6 COIL SHORTED Short Circuit of Contactor Coil.
6 DRIVER SHORTED Short Circuit of Driver supplying the Main
Contactor.
6 CONTACTOR CLOSED Main Contactor contacts CLOSED. Contacts
may be welded or mechanical failure has
occoured.
7 MOTOR TEMPERAT. Motor Temperature Sensor has operated.
7 TH. PROTECTION Thermal Protection of the chopper has
occoured. Temperature was either higher
than 77°C, or lower than -10°C.
32 BATTERY LOW Discharged Battery.