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LED
Fault
flashe
s
7
Controller high voltage
protection with line
contactor open.
7
Battery voltage below
critical level for
controller.
7
Precharge failure
8
Controller too hot
8
Controller too cold
8
Motor over
temperature
8
Motor too cold
8
Heatsink over
temperature
10
Pre-Operational
10
I/O initializing
10
RPDO Timeout
Doc. # 177/52701
Rev. 3.3
Leve
Set conditions
l
S
Battery voltage or capacitor
voltage is above the maximum
level allowed for the controller
with line contactor open.
S
Battery voltage is below the
absolute minimum voltage at
which the controller hardware is
guaranteed to operate.
VS
Capacitor voltage is less than
5V after pre-charge operation is
complete.
I
Controller has reduced power to
motor(s) below maximum
specified by user settings due to
controller over temperature.
I
Controller has reduced power to
motor(s) below maximum
specified by user settings due to
controller under temperature.
I
Controller has reduced power to
motor(s) below maximum
specified by user settings due to
motor over temperature.
I
Motor thermistor reports less
than
-30ºC.
VS
Heatsink temperature
measurement has exceed
absolute maximum for controller
and system has powered down.
I
Controller is in pre-operational
state.
I
Controller has not received all
configured RPDOs within 5s of
power up.
I / DI
One or more RPDOs have not
/ S
been received within 3s at
power up or within 500ms during
operation.
Monitoring
Operator action
Isolate controller and
investigate high
battery voltage
Increase battery
voltage.
Check controller
wiring to ensure there
are no short circuits
between B+ and B-.
Remove loading to
allow controller to
cool down.
Allow controller to
warm up to normal
operating
temperature.
Reduce load to motor
to allow it to cool
down.
Allow motor to warm
up. Check motor
thermistor.
Remove loading to
allow controller to
cool down.
Use DVT to put
controller into
operational state.
Check CANbus
wiring and PDO
configuration.
Check CANbus
wiring and PDO
configuration.
7-9
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