1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Open or short on driver load.
2. Dirty connector pins.
3. Bad crimps or faulty wiring.
1. Motor encoder failure.
2. Bad crimps or faulty wiring.
3. See 1311 menu Monitor » Motor: Motor RPM.
1. Motor phase is open.
2. Bad crimps or faulty wiring.
1. Main contactor tips are welded closed.
2. Motor phase U is disconnected or open.
3. An alternate voltage path (such as an external precharge resistor) is
providing a current to the capacitor bank (B+ connection stud).
Main Contactor Did
Not Close
1. Main contactor did not close.
2. Main contactor tips are oxidized, burned, or not making good contact.
3. External load on capacitor bank (B+ connection stud) that prevents
capacitor bank from charging.
4. Blown B+ fuse.