Charger Faults & Solution& Warranty
If your charger can't work correctly, you can refer to Led indicator (On Maual)/extra testing tips stated below ,
If need engineer advises, contact with us directly and sending your "charger label QR code " /charger working status vedio "/ evidences
| Fault Phenomenon|| Analysis|| Solution |
|Battery Temp Sensor ||External battery temperature sensor is fault or not connected||Check sensor or change a new one|
|Battery Not connected||Battery is not connected or reverse connected||Check and connect the battery correctly|
|Over-Temperature Protection||Charging Environment temp is too high ;cooling fan is fault ,air vents are obstructed|
Place the charger in lower temp and enviroments and recharges;
Check whether cooling Fan is fault and air vents are obstructed
|Input Fault Protection ||Poor Contact of Charger's input side, charger is broken||If no poor contact phenomenon occurs, please contact us |
|Charging Timeout||Battery is damages or aging||Check and replace the battery |
|Battery Overheating||Battery is damages or aging||Check and replace the battery|
|Pre-charge timeout||Battery is damages or aging||Check and replace the battery|
|Internal Temp snesor fault ||Charger is broken inside||Please contact us|
|Output Voltage Feedbacks Fault||Charger is broken inside||Please contact us|
|"Full power"after short charging||Battery is broken,Poor contact between charger and battery ||Check whether the battery is damaged , battery connecting cables are firm,battery full charged for all cells|
|Battery Temp becomes more than 50 degree and produced a lot of bubbles||Battery is aging, Battery volt is lower than nominal of the charger||Check the battery ,replace bad cells ,reselected charger that match battery voltage level|
|Low Battery capacity after fully charging||Battery is aging||Replace the battery |
|Cable are too long /too thin between charger and battery ||Resume the output cable back to initial state|
|Charging too short or too long ||Bettery is aging ||Replace the battery|
|Charger overheating protection||Check if there are foreign matters around the FAN and remove them|
|Check whether the colling fan is working correctly ,or contact us to replace the FAN|
|LED indicator light but no charging ||Connectors are not connected firmly, or the polarity is reversed ,battery is disconnected ||Connect all connectors correctly and recharge|
|Battery is broken||Replace the battery |
|LED indiactor doesn't light ||AC Input is not connected firmly ||Check AC power supply and charger's input cable|
|Charger is broken inside||Please contact us|
Warranty Method :
If the charger has quality problems, you can change a new one within two months, and can
be repaired within one year free of charge. If the fault is caused by follow reasons, it cannot be
repaired free of charge:
(1) Damage caused by illegal operation.
(2) Without authorization, open the shell or repair, lead to damage.
(3) Damage caused by improper transportation, such as knocking, collision, or falling.
(4) Damage caused by water inlet, immersion, damp or other irresistible natural calamities.
(5) Damage caused by instantaneous over voltage in power grid (25% higher than Rated
(6) Damage caused by pulling input or output cable seriously.
For better services please follow attentions below:
(1) In warranty period, if faults occur in condition that all operations are according to user‟s
manual, we will replace or repair free of charge.(shipping fee not included)
(2) Warranty period and maintenance mode：From date of purchase within 12 month, free of
charge to repair. Users need to pay for reparation beyond warranty period.
(3) If faults happen within warranty period in follow cases, cost of material and service need
be paid appropriately：
A．Can't prove we are the supplier of your charger
B．Fault caused by improper operation.
C．Fault caused by improper safekeeping and maintenance.
D．Damages cause by accident or disaster, such as natural disaster, war, or lightning strike.
(4) Out of warranty period, users need to pay for cost of material and service
In summary : When u received our goods ,please have a try at first , even projects wasn't ready
Cuz that's small action will protects your rights (less worries /lost in near future)