How to Solve Doosan e-Powerpack P3A05 Cell Under Voltage Fault?
How to Solve Doosan e-Powerpack P3A05 Cell Under Voltage Fault?
Fault Code P3A05
SPN-FMI 5923-1
Reason:Lowest cell voltage < 2.0V Module wire failure Secondary BMS sensing problem
Effect:
Disable discharge
Discharge Power(W) = 0
Discharge Current(A) = 0
Related Contents:
Doosan Diagnostic Software
Components Location
1
<Cell wire>
Damaged somewhere
<Secondary BMS>
3) Condition for Running Diagnostic
During discharging, machine operating
4) Condition for Setting the Fault Code
Over discharge or abnormal cell voltage drop(Lowest cell voltage < 2.0V)
5) Condition for Clearing the Fault Code
Charging the battery pack to the lowest cell voltage ≥ 2.50V
6) Check List
Step 1:P3A05 is detected on service tool?
Reference value CV_LOW < 2.0V
Step 2:Charge the battery pack.
Confirm the lowest cell voltage(CV_LOW) via servcice tool. Is P3A05 disappeared?
Reference value CV_LOW ≥2.5V
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