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TROUBLESHOOTING
3A430
CAN
communication
error
Short circuit between DLC
terminals
1. DLC (4P)
Short circuit
Open circuit in CAN
communication line
2. CAN wires between PDU
and battery pack (CAN L/
CAN H)
Open circuit
3A431
Battery cell
voltage balance
protection
Battery cannot be supplied
power
1. Battery connectors (at
battery pack and power
cable)
Any foreign material,
short-circuit failure, or
other problem in
connector
2. Battery cell voltage
(connected with Dr. H)
Cell voltage is 0.3 V or
less
3. Battery indicator (single
part)
ERROR (Red) indicator
of battery pack flashes,
pressing check button
4. PDU (battery pack
installed on power unit)
Motor operation by
performing the starting
procedure
Damaged battery
5. Battery pack
Replace battery pack
3A440
Battery cell high
temperature
protection
(at discharging)
Battery cell overheats
resulting in battery not
being activated by itself
1. Battery cell temperature
(connected with Dr. H)
Cell temperature is 80°C
(176°F) or more
2. Battery indicator (single
part)
ALERT (Orange)
indicator of battery pack
flashes, pressing check
button
Excessive current flows
resulting in battery not
being discharged (PDU
side is abnormal or not)
3. PDU (battery pack
installed on power unit)
Motor operation by
performing the starting
procedure
4. PDU (power unit indicator)
(battery pack installed on
power unit)
ALERT (Orange)
indicator of power unit
flashes during
discharging (POWER
button pressed to ON)
Battery cannot be
discharged due to high
ambient temperature
5. Battery peripheral area
(installed on power unit)
Peripheral temperature is
more than 50°C (122°F)
Battery cannot be
discharged due to
excessive load
6. Driven mechanism
Mechanical lock or
excessive overload
Damaged battery
7. Battery pack
Replace battery pack
3A441
Battery cell high
temperature
protection
(at charging)
Battery cell overheats
resulting in battery not
being activated by itself
1. Battery cell temperature
(connected with Dr. H)
Cell temperature is 60°C
(140°F) or more
2. Battery indicator (single
part)
ALERT (Orange)
indicator of battery pack
flashes, pressing check
button
Excessive current flows
resulting in battery not
being charged (Charger
side is abnormal or not)
3. Battery charger (battery
pack installed)
Charger does not start
charging
4. Charger indicator (battery
pack installed)
ERROR (Red) indicator
of charger stays on
during charging
Battery cannot be charged
due to high ambient
temperature
5. Battery peripheral area
(installed on charger)
Peripheral temperature is
more than 50°C (122°F)
Charger cooling fan stops
due to foreign object
interference or fan motor
connector disconnected
6. Charger cooling fan
(battery pack installed)
Cooling fan does not
operate during charging
Damaged battery
7. Battery pack
Replace battery pack
DTC
Detecting Item
Failure Condition/
Possible Cause
Verification Item (Check in numerical order)
Applicable Part
Check for
(abnormal symptom)
Содержание GXE2.0H
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