4-28
1E CONTACTOR CLOSED
Condition for error detection
CT2 contactor driver failure. The logic unit cuts the curret to the coil, but the controls remain closed.
Disconnect the battery and check:
- The CT2 contactor windings and the relevant wiring harnesses
- Clean the contactor connections
- Check the control of the contactor directly on connector JT pins 16 and 17 of the logic unit
Replace the logic unit.
Reference wiring diagram page 2/7 (chapter 17, section WIRING DIAGRAMS)
2A CHOPPER NOT CONF - UNUSED
2B STEER WIRE KO
Condition for error detection
This alarm signals a failure in the steering potentiometer or in the relevant wiring harness.
Verify:
- Wiring harness continuity (see paragraph WIRE HARNESS AND CONNECTOR INSPECTION PRO-
CEDURE)
- Correct functioning of the potentiometer using a multimeter:
• Rear wheel in central position
~3.40 KΩ
• Rear wheel fully to the right
~1.90 KΩ
• Rear wheel fully to the left
~4.95 KΩ
- Correct wiring harness connection (positive and negative)
2C DATA ACQUISITION
Condition for error detection
This warning comunicates that the logic is in current acquisition phase.
In this phase the logic doesn't work.
Reset the logic unit using the RESET function.
Repeat all acquisitions.
Update the logic unit to the latest version of the software via the PROGRAMMER.
If the alarm persists after the key reset, replace the logic unit.
https://www.forkliftpdfmanuals.com/