TM 1–1520–238–T–2 2–98 Change 7 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference IRCM CONTROL UNIT EDGE LIGHT DOES NOT LIGHT (PILOT EXT LT/INTR LT PANEL: R/CTR CSL CONTROL ROTATED TO BRT) TM 11–1520–238–23–2 IR JAMMER SYSTEM AN/ALQ–144 IR JAM CAUTION INDICATOR DOES NOT LIGHT (IRCM CONTROL UNIT: ON/OFF SWITCH SET TO ON) TM 11–1520–238–23–2 IR JAMMER SYSTEM AN/ALQ–144 IR JAM CAUTION INDICATOR REMAINS LIGHTED AFTER 45–75 SECONDS TM 11–1520–238–23–2 IR JAMMER SYSTEM AN/ALQ–144 IR JAM POWER CIRCUIT BREAKER (CB63) DOES NOT STAY CLOSED (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH SET TO EXT PWR) TM 1–1520–238–T–6 CIRCUIT PROTECTION SYSTEM (DC GROUND CIRCUIT BREAKERS – PILOT STATION) IR JAMMER XMTR CIRCUIT BREAKER (CB66) DOES NOT STAY CLOSED (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH SET TO EXT PWR) TM 1–1520–238–T–6 CIRCUIT PROTECTION SYSTEM (DC ESSENTIAL BUS 2 – PILOT STATION) JETT CIRCUIT BREAKER (CB34) DOES NOT STAY CLOSED TM 1–1520–238–T–8 EXTERNAL STORES JETTISON JETT CIRCUIT BREAKER (CB34) DOES NOT STAY CLOSED (CPG COLLECTIVE STICK: ST JTSN SWITCH PRESSED AND RELEASED) TM 1–1520–238–T–8 EXTERNAL STORES JETTISON JETT CIRCUIT BREAKER (CB34) DOES NOT STAY CLOSED (PILOT COLLECTIVE STICK: ST JTSN SWITCH PRESSED AND RELEASED) TM 1–1520–238–T–8 EXTERNAL STORES JETTISON JETT CIRCUIT BREAKER (CB34) DOES NOT STAY CLOSED (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH SET TO EXT PWR) TM 1–1520–238–T–6 CIRCUIT PROTECTION (DC EMERGENCY BUS – PILOT STATION) KIT STATUS INDICATOR LIGHTS (PILOT IFF COMPUTER TEST SET: MODE 4 CODE SWITCH SET TO B) TM 11–1520–238–23–2 IFF SYSTEM KIT STATUS INDICATOR LIGHTS (PILOT IFF COMPUTER TEST SET: MODE 4 CODE SWITCH SET TO LIGHT) TM 11–1520–238–23–2 IFF SYSTEM KIT STATUS INDICATOR LIGHTS (PILOT IFF COMPUTER TEST SET: MODE 4 CODE SWITCH SET TO ON) TM 11–1520–238–23–2 IFF SYSTEM