Troubleshooting Table 4-7. Analyzer Test Set Circuits

FO-1 tween 2.5 and 3.5 see, adjust R7 for 3Sec. If specification cannot be met, go to troubleshooting Table 4-7 (Fault No. 6). n. Timer Logic Tests Circuit. (1) Disconnect all test equipment from test set, ex- cept DC power supply as shown in Figure 4-2. (2) Set TRIP TIME -START switch to DOWN and TEST SELECT to AØ UV position. Jumper J1 pins, a, b, g, and set TRIP TIME-START switch to UP. (3) TRIP-TEST IN PROG indicator and TRIP TIME-EARLY TRIP indicator will light. TRIP-TEST IN PROG indicator will go OFF and TRIP TIME-TEST COMPL indicator will light. If not, see troubleshooting Table 4-8 (Faults No. 7, 8, & 11). (4) Remove jumper from J1 pin a and set TRIP TIME START stitch to DOWN. TRIP TIME lamps will TM 55-4920-410-13&P go OFF. If not, see troubleshooting Table 4-8 (Fault No. l0). (5) Set TRIP TIME-START switch to UP. TRIP TIME TEST IN PROG indicator will light. TRIP TIME- TEST COMPL indicator and TRIP TIME-L, ATE TRIP indicator will light and TRIP TIME-TEST IN PROG in- dicator will go off. If not, see troubleshooting Table 4-8 (Faults No. 7, 10, & 11). (6) Set TRIP TIME-START switch to DOWN and set TEST SELECT switch to 3Ø OVB and jumper pin a to b and g. Set TRIP TIME-START switch to UP. “ (7) TRIP-TEST IN PROG indicator will light and TRIP TIME-ACCEPT indicator will also light when TRIP TIME-START switch is placed to UP. TRIP TIME- TEST IN PROG indicator will go off. TRIP TIME-TEST COMP indicator will light. If not, see troubleshooting Ta- ble 4-8 (Faults No. 7,9, & 11). Set TRIP TIME-START switch to DOWN. Troubleshooting Table 4-7. Analyzer Test Set Circuits 4-11