Buzzaround XL_SG_REVA_100711
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SCENARIO 2: BATTERIES WILL NOT CHARGE
Most battery chargers need to “see” at least 16VDC at the charger port. Otherwise, they may not send a charging
current to the batteries. This test will ensure that the battery voltage is making it to the charger port. You will need
to check battery voltage and wiring harness continuity inside the battery pack.
Check Battery Charger Voltage.
1) Remove the battery pack.
2) Plug the charger into the charger port and then into a wall outlet.
3) Measure voltage across terminal 1 and terminal 3 on 4a.
See figure 16.
Does the voltage increase?
• Yes? - Load test the batteries and replace as necessary.
• No? - But there is voltage. If the voltage is lower than 16VDC, then replace the batteries. If the voltage
is 16VDC or greater, then go to the next step.
• No? - And there is no voltage. Open the battery pack and check the circuit breaker and the battery
harnesses for continuity. Replace the individual components as necessary.
Figure 16. Connector 4a
4) Open the battery pack.
5) Check the battery harness fuse for continuity.
• Less than 10 ohms? – Replace the charger harness.
• Open? – Replace the fuse.
See figure 17.
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Figure 17. Battery Harness Fuse
RED +
BLACK
-
Fuse
MEASURE VOLTAGE