TM 55-1520-240-T
SYMPTOM
TASK
DECU CODE C1 TO C9
4-12.4
DECU CODE CF
4-12.4
DECU CODE D0 TO D9
4-12.4
DECU CODE DA TO DF
4-12.4
DECU CODE E1 TO E5
4-12.4
SYMPTOM
TASK
ENG CHIP DET CAPSULE DOES NOT COME ON AND EN-
GINE CHIP DETECTOR INDICATOR DOES NOT CHANGE DIS-
PLAY WHEN DETECTOR SHORTED
4-13.3
NO. 1 AND NO. 2 ENGINE CHIP DETECTOR INDICATOR DIS-
PLAY IS ALL BLACK WHEN GND SWITCH SET TO TEST
4-13.3
FADEC (WITH 74 ) (Continued)
SYMPTOM
TASK
DECU CODE F1 TO F9
4-12.4
DECU CODE FA AND FB
4-12.4
FADEC 1 CAPSULE ON MASTER CAUTION PANEL ILLUMI-
NATES (ENGINE RUNNING NORMALLY IN PRI MODE)
4-12.4
FADEC 2 CAPSULE ON MASTER CAUTION PANEL ILLUMI-
NATES (ENGINE RUNNING NORMALLY IN PRI MODE)
4-12.4
ENGINE ACCESSORY GEARBOX CHIP DETECTORS
(WITH 74 )
SYMPTOM
TASK
ENG 1 CHIP DETR CAPSULE DOES NOT COME ON WHEN
GND SWITCH SET TO TEST
4-13.3
NO. 1 OR NO. 2 ENGINE CHIP DETECTOR INDICATOR DIS-
PLAYS BLACK-AND-WHITE FAN, ENG 1 OR ENG 2 CHIP
DETR CAPSULE OUT
4-13.3
SYMPTOM
TASK
ENGINE NO. 1 PRI CONT CIRCUIT BREAKER WILL NOT STAY
CLOSED
4-12.4
ENGINE NO. 1 REV CONT CIRCUIT BREAKER WILL NOT
STAY CLOSED
4-12.4
ENGINE NO. 2 PRI CONT CIRCUIT BREAKER WILL NOT STAY
CLOSED
4-12.4
ENGINE NO. 2 REV CONT CIRCUIT BREAKER WILL NOT
STAY CLOSED
4-12.4
SYMPTOM
TASK
ENG 1 OR ENG 2 CHIP DETR CAPSULE IS LIT
4-13.3
ENG 2 CHIP DETR CAPSULE DOES NOT COME ON WHEN
GND SWITCH SET TO TEST
4-13.3
4-2.4 Change 17
