Page 26
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.
