0017 00-1/(0017 00-2 blank)
CONTROL AND DISPLAY UNIT (CADU)
INSPECTION AND FAULT ISOLATION
TMDE Support Specialist
Tools and Equipment:
Tool Kit, Electricians
Voltmeter, Fluke 8020 or equivalent
CADU on Workbench with Electro-Static Discharge (ESD)
a. Examine CADU for visible damage.
b. Replace a damaged keypad, lens, or cable connector. See WP0038 00 and 0039 00.
c. Operate the CADU to Manager Mode/Test (see WP0012 00 figure 7) and conduct listed tests:
1. Keypad - replace if any push switch fails to operate.
2. Display - replace CADU PWA if test is failed.
d. Check battery pack voltage at battery pack cable connector P1 (see WP0035 00), black wire is ground, red
wire should measure between 6 and 10 Vdc. Replace if less than 6 Vdc. Ensure batteries have been charged
prior to testing voltage.
END OF WORK PACKAGE