Buzzaround_SG_REVA_040711
7
Component: Main Harness (MH)
Location: Front section.
Function: Connects controller to control panel.
Connections: MH1 and MH2
Failure Signs: Scooter does not run or runs slowly.
Tests: Test for voltage at (batteries and key switch), resistance at (speed pot and throttle pot), and continuity.
Expected readings: 24VDC (batteries and key switch), resistance (speed and throttle pot) varies, and continuity not open.
Serviceable: Replace as necessary.
Component: Throttle Pot (TP)
Location: Lower Dashboard
Function: The throttle potentiometer (pot) uses variable resistance to control speed and direction of travel by reversing
polarity.
Connections: TP1
Failure Signs: Beep Codes #6 and #7
Tests: Test resistance across pin 1 and pin 2 or across pin 2 and pin 3 on TP1 with the paddle deflected either way. Also,
test voltage across yellow wire and battery ground.
Expected readings: Depends on direction of deflection. Battery voltage.
Serviceable: Replace as necessary.
Component: Speed Pot (SP)
Location: Top Dashboard (Control Panel)
Function: The speed potentiometer (pot) uses variable resistance to control the top speed of the scooter.
Connections: SP1
Failure Signs: Speed will not vary when knob is turned.
Tests: See Beep Code #7
Expected readings: Depends on speed pot position.
Serviceable: Replace top dashboard as necessary.
Component: Top Dashboard (TD)
Location: Tiller
Function: Provides connectivity between controller and key switch, battery meter, throttle pot, and speed pot.
Connections: TB1 – TB4
Failure Signs: Damaged or loose connectors. Pins not seated properly in connectors.
Serviceable: Replace as necessary.
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