Buzzaround_SG_REVA_040711
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APPENDIX D - TROUBLESHOOTING FLOW CHARTS
SCENARIO 1: NO POWER
You insert the key into the key switch, and the battery condition meter indicates no battery power.
Not tripped?
Tripped?
18VDC-25VDC? 0VDC?
12-17VDC?
18-25VDC or battery voltage?
0VDC?
0VDC? 18-25VDC or battery voltage.
Charger Tests
Note: The charger will not work properly if the battery voltage is to low. Boost charge the batteries to bring the voltage up
to a level that the HP1202B off-board charger will see, then plug the charger into the charging port and charge for 8 hours.
1) Make sure that the charger (C) is plugged into a working electrical outlet.
2) Check the charger harness (CH) and the intermediate charger harness (ICH) for loose and/or corroded connections.
Clean or tighten as necessary.
3) Check charger harness (CH) and intermediate charger harness (ICH) for continuity. Replace as necessary.
Remove the battery pack from the scooter.
Measure voltage across BAT1 and
BAT3 on outside of battery pack.
Try to recharge the
batteries. Load test
and replace if
necessar
.
Check main
circuit breaker.
Reinstall battery box. Open
front console and check
connections. If all
connections are good
replace the top dashboard.
If not, reseat pins and test
scooter.
Open battery box. Check connections.
Measure voltage on BAT- of one
battery and BAT+ on the other
battery. Take measurement at
terminals ICH2 and ICH5.
Measure voltage across
pin 7 (black wire) and
pin 4 (red wire) on MH2.
Replace the top
dashboard.
Reconnect MH2. Tilt
scooter over on its side.
Remove controller cover.
Disconnect MH1 from CN7.
Measure voltage across pin
7 and 13 on CN7.
Replace the
controller.
Replace
intermediate
charger harness
(ICH).
18-25VDC or
battery voltage?
Measure resistance
across the circuit
breaker.
0VDC?
0PEN?
Replace
circuit
breaker.
Less than 1
ohm?
Check continuity between
circuit breaker and batteries.
CB3 to CB4 (red wire).
CB5 to CB6 (black wire).
Replace as necessary.
Replace the main harness.
Reset it.
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