Honda GXE2.0H Manual page 37

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