FIELD SENSE FAULT
Otis · DSD 412 DC Elevator Drive
Was bedeutet 925 ?
The field bridge rating is determined by a sense resistor on the Field Interface board, selected by SW1, which sets the motor field current feedback scaling for the A/D converter. If this resistance value is not recognized, a Field Sense Fault is declared, indicating a hardware fault on the Field Interface PCB, Drive Control PCB, or interconnecting cables and hardware. A DSD power down is required.
Häufige Ursachen
- The resistance value from the field sense resistor selected by SW1 on the Field Interface board is unrecognized.
- Hardware fault on the Field Interface PCB.
- Hardware fault on the Drive Control PCB.
- Defective interconnecting cables or hardware, such as J13 not being properly seated.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Check that connector J13 is properly seated on the Field Interface board.
- 2
Verify the integrity of the interconnecting cable for any defects.
- 3
Confirm that the correct field sense resistor is selected by SW1 on the Field Interface PCB.
- 4
If problems persist, replace the Field Interface PCB or the Drive Control PCB.
- 5
Perform a DSD power down after troubleshooting.