57 Steer Left Coil Fault

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A fault has been detected in the steer left coil, indicating an electrical issue with the solenoid responsible for steering left. This disables both lifting and driving functions.

• Steer left coil open circuit, short circuit, or high resistance.
• Damaged wiring or loose connections to the steer left coil.
• Control circuit failure attempting to activate the coil.

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1. 1

   Verify the supply voltage at the steer left coil solenoid terminals against the nominal specification.

2. 2

   Inspect all wiring and connections leading to and from the steer left coil solenoid for looseness, damage, or corrosion.

3. 3

   Measure the electrical resistance of the steer left coil solenoid to identify an open circuit or short circuit condition.

4. 4

   Verify the discrete output signal from the elevator control unit intended to energize the steer left coil solenoid.