FEC AFC1100 - Manual (Page 4)

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9.3 Torque Transducer
9.3.1 code 1-0 TORQUE TRANSDUCER / ZERO VOLTAGE ERROR
Zero level voltage error during power on initialization.
This abnormal is caused from only 3 items.
1. When the tool transducer is sensing excessive torque due to pressure on the tool body.
2. If the controller or the transducer cable is located in an electric or magnetic noise field.
3. When the torque transducer, transducer (T/D) cable or the controller malfunctions.
RECOVERY:
1. Check that the tool has no external force applied to it.
2. Verify that the cable or controller are not located near any high voltage transient power
sources. Relocate as required and reinitialize.
3. Exchange transducer (T/D) cable, tool and/or controller with known working units.
Reinitialize the system after each exchange, and make note of any change in the location of
the abnormal.
4. Replace the defective component.
9.3.2 code 1-1 TORQUE TRANSDUCER / cal VOLTAGE ERROR
Calibration voltage error during power on initialization.
This abnormal is caused from only 3 items.
1. When the tool transducer is sensing excessive torque due to pressure on the tool body.
2. If the controller or the transducer cable is located in an electric or magnetic noise field.
3. When the torque transducer, transducer (T/D) cable or the controller malfunctions.
RECOVERY:
1. Check that the tool has no external force applied to it.
2. Verify that the cable or controller are not located near any high voltage transient power
sources. Relocate as required and reinitialize.
3. Exchange transducer (T/D) cable, tool and/or controller with known working units.
Reinitialize the system after each exchange, and make note of any change in the location of
the abnormal.
4. Replace the defective component.
9.3.3 Code 1-2 TORQUE TRANSDUCER / ZERO check ERROR
Zero level voltage error during a fastening start input.
This abnormal is caused from only 3 items.
1. When the tool transducer is sensing excessive torque due to pressure on the tool body.
2. If the controller or the transducer cable is located in an electric or magnetic noise field.
3. When the torque transducer, transducer (T/D) cable or the controller malfunctions.
RECOVERY:
1. Check that the tool has no external force applied to it.
2. Verify that the cable or controller are not located near any high voltage transient power
sources. Relocate as required and reattempt the fastening start input.
3. Exchange transducer (T/D) cable, tool and/or controller with known working units. Input the
start signal after each exchange, and make note of any change in the location of the
abnormal.
4. Replace the defective component.
9.3.4 code 1-3 TORQUE TRANSDUCER / selfcheck cal ERROR
Calibration voltage error during a fastening start input.
Chapter 9: Troubleshooting (Rev. 8/98)
Page 9-4