| Step | | Procedure & Parts & Tools |
| 1 |
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REMOVE THE 3 SCREWS HOLDING THE CONTROL BOARD.
| Wrench-Allen metric 5.0mm |
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| 2 |
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PULL THE CONTROL BOARD DOWN TO EXPOSE THE WIRING.
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| 3 |
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REMOVE THE 3 SCREWS FROM THE POWER BOARD. LOCATE THE RED AND BLACK WIRES LABELED DR (DRIVE MOTOR RIGHT) AND DL (DRIVE MOTOR LEFT). PULL THESE CONNECTORS TO TEMPORARILY DISABLE THE DRIVE MOTORS. YOU WILL NEED TO DISCONNECT THE DRIVE MOTORS SO THE MACHINE DOESN'T MOVE.
| Screwdriver-phillips |
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| 4 |
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TO ACTIVATE THE MACHINE, TURN THE KEY ON. YOU WILL NEED TO BYPASS THE STEPBOARD SWITCH AS THE MACHINE WILL NOT ACTIVATE WITHOUT SOMEONE STANDING ON THE STEP BOARD. TO BYPASS THE STEP BOARD SWITCH, LOCATE THE STEP BOARD SWITCH UNDER STEP BOARD. INSERT SCREWDRIVER ABOVE SWITCH AND BELOW THE STEP BOARD.
| Screwdriver-flat tip |
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| 5 |
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LOCATE THE 2 WIRES THAT ARE LABELED BR(BRUSH MOTOR RIGHT) AND BL (BRUSH MOTOR LEFT).
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| 6 |
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INSERT VOLT METER LEADS INTO THE BR WIRE CONNECTORS ON THE CONTROL BOARD. REPEAT THIS FOR THE OTHER BRUSH MOTOR BY INSERTING THE LEADS INTO THE BL WIRE CONNECTORS ON THE CONTROL BOARD. THE VOLT METER SHOULD READ 24 VOLTS. IF THE BRUSH MOTORS ARE OKAY, REVERSE STEPS 1 AND 2 TO REASSEMBLE THE MACHINE.
| Volt meter (True RMS capable) |
&Width=100)
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