TM 5-6675-316-14
Table 3-10. DIRECT/GENERAL SUPPORT TROUBLESHOOTING — Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
DSP-2 MACHINE CONTROLLER WILL NOT OPERATE—Cont
(e) Check for 120 V ac, using multi meter at line side of EMI filter.
(1) If voltage is present, proceed to step 2.
(2) If no voltage present, replace power cord (paragraph 2-20.16).
Step 2. Using multimeter, check for 120 V ac at load side of EMI filter.
(a) If voltage is present, proceed to step 3.
(b) If no voltage present, replace EMI filter (paragraph 3-20.17).
Step 3. Test switching relay.
(a) Press DSP machine controller power button.
(b) Using multimeter, check for 120 V ac at switching relay output at terminals 1 and 8.
If no voltage present, replace switching relay (paragraph 3-20.1).
2. OPERATOR CONSOLE DISPLAY PANEL WILL NOT INDICATE.
Check power cord for DSP for continuity.
Replace operator console processor board (paragraph 3-20.2).
3. X-AND/OR Y-CARRIAGES WILL NOT MOVE.
Step 1. Check +24 V power supply fuse for continuity.
(a) If present, proceed to step 2.
(b) If not present, replace fuse (paragraph 3-20.3).
Change 1
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