Drives In Opposite Direction - JLG 10VP Service And Maintenance Manual

Drives In Opposite Direction

Overview Of Procedure
The following procedure checks that both the drive motor power wire connections correctly installed and are secure and
tight. Also that the joystick control assembly for proper installation at the platform control box.
Check For These Obvious Conditions First:
• If the Left Drive Motor (X103) connector is switched with the Right Drive Motor (X104) connector at the MC-1 box, you will
immediately get an 2 LED flashing Error Code at the Platform Control when the machine is powered up.
• Check Joystick Calibration (See Procedure in Service Manual, Section-2).
STEP
Check the connection of the Orange, 55-3 wire to the right drive
1.
motor at both ends;
• At the X104 connector on the MC-1 box, pin A1.
• And the Black wire at the Drive Motor end.
2. Check the connection of the Orange, 55-6 wire to the right drive
motor at both ends;
• At the X104 connector on the MC-1 box, pin A2.
• And the White wire at the Drive Motor end.
Check the connection of the Orange, 55-7 wire to the left drive motor
3.
at both ends;
• At the X103 connector on the MC-1 box, pin A1.
• And the Black wire at the Drive Motor end.
4. Check the connection of the Orange, 55-10 wire to the left drive
motor at both ends;
• At the X103 connector on the MC-1 box, pin A2.
• And the White wire at the Drive Motor end.
Is platform control box under warranty? **
5.
Internal to the platform control - check that the joystick assembly
6.
inside the platform control has not been installed backwards.
Internal to the platform control - check that the joystick assembly
7.
wiring to the platform control circuit card is not wired backwards.
* Note: If the Orange, 55-3 or 55-6 wires to the right drive motor in the X104 connector or the Orange, 55-7 or 55-10 wires to
the left drive motor in the X103 connector at the MC-1 controller are crossed up that drive motor will run backwards.
** Note: If platform controller is not under warranty, the internal components of the platform controller are replaceable and
can be ordered and replaced seperately from the complete platform control box. See procedures in Section-2 of
this Service Manual for Joystick Assembly/ Disassembly.
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Table 3-15. Drives In Opposite Direction
ACTION
– JLG Lift –
SECTION 3 - TROUBLESHOOTING
SPEC YES
— Go to Step 2
— Go to Step 3
— Go to Step 4
— Go to Step 5
— Order New One
Re-install
—
Correctly
Re-install
—
Correctly
NO
* Repair or
Replace
Connection
* Repair or
Replace
Connection
* Repair or
Replace
Connection
* Repair or
Replace
Connection
Go to Step 6
Go to Step 7
Consult Factory
3-25