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DIAGNOSTIC FAULT CODES
Code
Alarm string
Traction
Description
Condition that has to occur
to come out from
alarm status
8
17
18
19
30
31
53
60
WATCHDOG
LOGIC
FAILURE #3
LOGIC
FAILURE #2
LOGIC
FAILURE #1
VMN LOW
VMN HIGH
standby I
HIGH
CAP
CHARGE
X
X
X
X
X
X
X
X
Alarm : The Watchdog
circuit has been
triggered.
Alarm: Failure in over-
load protection hw
circuit
Alarm: Failure in U, V,
W voltage feedback
circuit
Alarm: An overvoltage
or undervolt.
Condition has been
detected.
Alarm: Wrong voltage
on motor power out-
puts; Failure in the
power section or in
the mosfet driver
circuit or in the motor
Alarm: Wrong voltage
on motor power
outputs; Failure in the
power section or in
the mosfet driver
circuit or in the motor
Alarm: Wrong voltage
in the current sensor
feedback circuit
Alarm: Power capaci-
tor voltage does not
increase when the key
is turned ON; Failure
in the power section,
or in the Logic PCB,
or in the driver PCB,
or in the motor
If the alarm is present in
Init status, remove the
alarm condition
If the alarm has occurred in
standby or running mode, it
is necessary to remove
alarm condition and to
activate a traction request
To remove alarm condition
+ activation of traction
request
To remove alarm condition
+ activation of traction
request
To recycle the key switch
If the alarm is present in
Init status, remove the
alarm condition
If the alarm has occurred in
standby or running mode, it
is necessary to remove
alarm condition and to
activate a traction request
If the alarm is present in
Init status, remove the
alarm condition
If the alarm has occurred in
standby or running mode, it
is necessary to remove
alarm condition and to
activate a traction request
If the alarm is present in
Init status, remove the
alarm condition
If the alarm has occurred in
standby or running mode, it
is necessary to remove
alarm condition and to
activate a traction request
To remove alarm condition
10)
X
X
X
X
X
X
X
X
Pump
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