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Troubleshooting 4.4 - Fault Codes introduction
503727-002
4.4 FAULT CODES INTRODUCTION
The MX19 is equipped with a fault detection system, if you have a faulty component, bad
electrical connection or start up error a fault code will be displayed on the read out located
on the upper control box.
For fault codes 01 - 39 the following procedure should be followed.
Ensure that no selector buttons are depressed.
Ensure that the deadman switch on the joystick is not held.
Ensure that the joystick is in neutral.
Ensure that the steer rocker is not activated.
Ensure that toggle switch is in neutral.
Then re-cycle power, do this by pushing and releasing the emergency stop button. If the
fault code is still displayed you may have a faulty upper or lower control box, consult the
error code list to identify the problem component and replace if necessary.
For fault codes 54 - 68 the following procedure should be followed.
1. Check the fault code list to identify the problem component.
2. Ensure that the wiring harness is connected, secure, in good condition and fully intact.
3. Ensure that the problem component is receiving electrical signal, consult the schematics
in section 6 of this manual to identify the ECU output and harness test points.
4. If no ECU output is present replace the ECU.
5. If ECU output is present but no signal is reaching the component replace the wiring har-
ness.
6. If signal is reaching the component but the component is not functioning replace the
component (refer to section 6 of this manual for part number information).
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