Page 27
6 SEM-ZERO DIAGNOSTICS
The following list shows likely problems associated with the flashing RED LED.
N° FLASHES MESSAGE NOTES
1 Logic failure #1: Problem with Logic or Line Contactor.
1 Watch-dog: Logic board and/or software failure.
1 EEPROM KO: Problem with EEPROM or Logic.
2 INCORRECT STARTS: Starting sequence for travel not correct.
2 FORW + BACK: Double running requests.
3 CAPACITOR CHARGE Problem in Power Block.
3 VMN NOT OK Problem with Chopper.
3 VFIELD NOT OK Problem with Field Voltage
4 VACC NOT OK Potentiometer Wiper.
4 PEDAL WIRE KO Pedal wire not OK.
5 NO FIELD CUR. Field wiring not OK or field current sensor
not OK.
5 HIGH FIELD CUR. Field wiring not OK or field current sensor
not OK.
5 STBY I HIGH High current at the stand-by sensor of arma-
ture current not OK.
5 I= 0 EVER No current: sensor of armature current not
OK.
6 CONTACTOR DRIVER Contactor Driver not OK.
6 COIL SHORTED Coil contactor shorted.
6 CONTACTOR CLOSED Line Contactor contact not OK.
7 TH. PROTECTION Temperature too much high (>70°C) or low
(<10°C).
32 BATTERY LOW Battery too low.