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38 CONTACTOR OPEN
Condition for error detection
Failure on the CT2 contactor. The contactor is powered, but the contacts do not close.
• Check the main contactor coil CT2 (45 Ω) and relevant cables
• Check the state of the two-directional diode (D2)
• Check the state of the contacts and the wiring harness continuity (no current passage allowed)
Reference wiring diagram page 2/7 (chapter 17, section WIRING DIAGRAMS)
39 STBY I HIGH
Condition for error detection
Failure on the current sensor.
• Check the drive motor and relative cables and the truck insulation.
Replace the logic unit.
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