Buzzaround_SG_REVA_040711
16
16) Connect the negative lead (black) from the multimeter to BAT-. Use the BAT- terminal that is connected to ICH2.
Measure voltage.
• Approximately 25VDC? – Go to the next step.
• Out of range? – Replace the main harness.
17) Disconnect the main harness (MH1) from the controller. Are the pins on the connector seated correctly?
• Yes? – Go to the next step.
• No? – Reseat the pins, reconnect the main harness to the controller, and try to run the scooter.
18) Measure resistance across pin 14 (blue wire) and pin 7 (yellow wire) on the main harness connector (MH1).
• Approximately 2.7k ohms? – Go to the next step.
• Out of range? – Replace the main harness.
19) Measure resistance across pin 7 (yellow wire) and pin 6 (orange wire) on the main harness connector (MH1).
• Approximately 2.7k ohms? – Replace the controller.
• Out of range? – Replace the main harness.
BEEP CODE #8 - MOTOR DISCONNECTED
The motor has a bad connection. Check all the connections and leads between the motor and the S-drive. Check the
position of the freewheel switch.
1) Separate the front and rear halves of the scooter. Refer to the owner’s manual.
2) Turn the rear half over and disconnect the motor (MT1) from the intermediate motor harness (IMH1).
3) Measure resistance across pin 1 (red wire) and pin 2 (black wire) on the motor harness (MT1).
• 50 ohms but not shorted. (NOTE: Can be as low as 0.2 ohms). Then go to the next step.
• Out of range, then replace the drivetrain.
4) Reconnect the motor (MT1) and the intermediate motor harness (IMH1).
5) Measure resistance across IMH2 (red wire) and IMH4 (black wire) on the intermediate motor harness.
• 50 ohms but not shorted. (NOTE: Can be as low as 0.2 ohms) Then go to the next step.
• Out of range, then replace the intermediate motor harness (IMH).
6) Reassemble the scooter.
7) Turn the scooter over.
8) Remove the controller cover.
9) Unplug power harness (PH8 and PH9) from the controller. Are the pins on the connector seated correctly?
• Yes? – Go to the next step.
• No? – Reseat the pins, reconnect the power harness to the controller, and try to run the scooter.
10) Measure resistance across PH9 and PH10.
• 50 ohms but not shorted. (NOTE: Can be as low as 0.2 ohms) Then replace the controller (CN).
• OPEN. Then replace the power harness (PH).
BEEP CODE #9 – POSSIBLE CONTROLLER TRIP
A control system trip is indicated. Make sure all connections are secure.
1) Make sure that all connections are secure.
• If the code continues, then shut down the scooter and allow the controller to cool down.
• If the problem still persists, then replace the controller (CN).
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