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6 SEM-X DIAGNOSTICS
The following list shows likely problems associated with the flashing RED LED.
N° FLASHES
MESSAGE
NOTES
1
Watch-dog:
Logic board and/or software failure.
1
EEPROM KO:
Problem with EEPROM or Logic.
1
CHECK UP NEEDED
Check up timeout.
2
INCORRECT START:
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 CURR.
Field wiring not OK or field current sensor
not OK.
5
FW HIGH FIELD CUR.
Field wiring not OK or field current sensor
not OK in FWD direction.
5
BW HIGH FIELD CURR. Field wiring not OK or field current sensor
not OK in BWD direction.
5
STBY I HIGH
High current at the stand-by sensor of
armature current not OK.
5
I= 0 EVER
No current: sensor of armature current not
OK.
6
CONTACTOR DRIVER
Contactor Driver not OK.
6
DRIVER SHORTED
Contactor driver shorted.
6
CONTACTOR CLOSED Line Contactor contact not OK.
7
TH. PROTECTION
Temperature too much high (>70°C) or low
(<10°C).
8
POWER FAILURE #1
Shortcircuit on EB or MC coil.
9
EB DRIVER SHORT
Shortcircuit on EB driver.
9
EB DRIVER KO
EB driver doesn't close.
32
BATTERY LOW
Battery too low.
