TM 10--3510--221--24
0014 00--2
MAIN POWER LAMP (DS1) IS NOT ON WITH SWITCH
(SW1) AT ON POSITION -- Continued
0014 00
8. Check for 110 VAC power between CB7 terminal (T1) and TB1 terminal (N).
Is 110 VAC power present?
YES Go to step 9.
NO Replace CB7 (WP 0219 00).
9. Check for 110 VAC power between PM800 terminal (C) and TB1 terminal (N).
Is 110 VAC power present?
YES Go to step 10.
NO Check wire connections between PM800 and CB7. Repair as necessary.
10. Check for 110 VAC power between PM800 terminal (NO) and TB1 terminal (N).
Is 110 VAC power present?
YES Go to step 11.
NO Replace PM800 (WP 0225 00).
11. Check for 110 VAC power between SW2 terminal (2) and TB1 terminal (N).
Is 110 VAC power present?
YES Go to step 12.
NO Check wire connections between SW2 and PM800. Repair as necessary.
12. Check for 110 VAC power between between DS1 terminal (+) and TB1 terminal (N).
Is 110 VAC power present?
YES Replace lamp socket (WP 0230 00).
NO Check wire connections between DS1 and SW2 and between DS1 and TB2. Repair as
necessary.
13. Check indicators for F1, F2, and F3.
Are all three indicators off?
YES Go to step 18.
NO Go to step 14.
14. Position SW1 to OFF.
15. Replace fuse for any indicator that was on (WP 0224 00).
16. Position SW1 to ON.
17. Check indicator for fuse(s) that was replaced.
Is indicator(s) off?
YES Return to normal operation.
NO Check for short between fuse and TB1 and between fuse and PM800. Repair as necessary
18. Check for 208 VAC power between PM800 terminals L1 and L2, L1 and L3, and L2 and L3.
Is 208 VAC power present?
YES Go to step 19.
NO Go to step 20.
