Table 1. Error Reported on CADU Error Screen (cont.)

Table 1. Error Reported on CADU Error Screen (cont.) - TM-1-6625-724-13P_157

Table 1. Error Reported on CADU Error Screen (cont.) - TM-1-6625-724-13P_159

TM-1-6625-724-13P Aviation Vibration Analyzer Manual
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0025 00 TM 1-6625-724-13&P 0025 00-20 Table 1. Error Reported on CADU Error Screen (cont.) Code # Message 4168: Blades Apparently Moving at Wrong Speed ACTION: (1) Verify tracker Installation (2) Verify SETUP - Check and Reload aircraft script file Verify the proper installation of the UTD. Repeat measurements as necessary. 4169: Blade Chords Apparently Different ACTION: (1) Verify tracker Installation (2) Verify SETUP - Check and Reload aircraft script file Verify the proper installation of the UTD. Paint or darken the leading edge of blades. The UTD is detecting a blade non-uniformity possibly caused by paint wear at the blades leading edge 4170: Blade Apparently Below ABT Field of View ACTION: (1) Verify tracker installation (2) Verify SETUP - Check and Reload aircraft script file Verify the proper installation of the UTD. Repeat measurements as necessary. 4171: Blade Apparently Above ABT Field of View ACTION: (1) Verify tracker installation (2) Verify SETUP - Check and Reload aircraft script file Verify the proper installation of the UTD. Repeat measurements as necessary. 4172: Track Sensor Fault ACTION: (1) Check cable (2) Check Installation angle (ABT Installed backwards?) (3) Check lens (4) Verify light level None or incorrect number of pulses are being returned from the UTD. Verify the following: 1. The UTD is installed properly, including cable connection, installation angle, tracker arrow pointing in the direction of rotation, and the sun is not shining directly into the tracker lens. 2. There is a proper light level for passive tracker or that reflective target is installed properly for active tracker. Replace the UTD with different unit and repeat measurements. 4173: Insufficient ABT Data ACTION: (1) Check cable (2) Check Installation angle (ABT Installed backwards?) (3) Check lens (4) Verify light level None or incorrect number of pulses are being returned from the UTD. Verify the following: 1. The UTD is installed properly, including cable connection, installation angle, tracker arrow pointing in the direction of rotation, and the sun is not shining directly into the tracker lens. 2. There is a proper light level for passive tracker or that reflective target is installed properly for active tracker. 4177: Accelerometer fail, Internal Channel 1 ACTION: (1) Check cable (2) Check accelerometer (3) Verify SETUP (also go to Setup/Status In Manager Menu) 4178: Accelerometer fail, Internal Channel 2 ACTION: (1) Check cable (2) Check accelerometer (3) Verify SETUP (also go to Setup/Status In Manager Menu) 4179: Accelerometer Fail, Internal Channel 3 ACTION: (1) Check cable (2) Check accelerometer (3) Verify SETUP (also go to Setup/Status in Manager Menu) 4180: Accelerometer fail, Internal Channel 4 ACTION: (1) Check cable (2) Check accelerometer (3) Verify SETUP (also go to Setup/Status In Manager Menu) 4181: FIFO Overflow ACTION: (1) Power the DAU off and on (2) Wait 20 seconds, make a measurement Internal software fault. Power the DAU off and on and try to make a measurement, if the failure persists, send unit to TMDE for repair.

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