TM 1–1520–238–T–3
12–4
12–6 SIGNAL NAME:
CPG RKT GND STOW SW
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Drives all launchers to ground stow position.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If third digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 12–7.
FAIL: Location of fault: MUX L PYL INBD circuit breaker, wiring from MUX L PYL INBD circuit
breaker to PYLON 2 MRTU, PYLON 2 MRTU. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
12–7 SIGNAL NAME:
PLT RKT NORM SW
MEMORY LOCATION: 001120
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Enables or disables arm/safe power to launchers.
REMARKS: From pilot FCP through LH FAB MRTU Type I to FCC.
PASS:
If second digit displayed on HOD is 4, 5, 6, or 7, go to paragraph 12–8.
FAIL: Location of fault: pilot FCP, wiring from pilot FCP to LH FAB MRTU Type I, LH FAB MRTU Type
I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
12–8 SIGNAL NAME:
PLT RKT GND STOW SW
MEMORY LOCATION: 001120
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Drives all launchers to ground stow position.
REMARKS: From pilot FCP through LH FAB MRTU Type I to FCC.
PASS:
If second digit displayed on HOD is 2, 3, 6, or 7, go to paragraph 12–9.
FAIL: Location of fault: pilot FCP, wiring from pilot FCP to LH FAB MRTU Type I, LH FAB MRTU Type
I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
12–9 SIGNAL NAME:
RCP DIAGNOSTICS
MEMORY LOCATION: 001160
MEMORY DATA BIT(S):
11–19
(SCALAR)
CONDITION:
All 8’s displayed on rocket control panel (RCP) during power up (initial bit).
SIGNAL FUNCTION:
Transmits failure diagnostic error codes.
REMARKS: From rocket control panel (RCP) through LH FAB MRTU Type I to FCC.
PASS:
If all 8’s are displayed on RCP during power up, go to paragraph 12–10.
FAIL: Location of fault: RKT ELEX circuit breaker, wiring from RKT ELEX circuit breaker to CPG FCP,
wiring from CPG FCP to RCP, RCP, wiring from RCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
12–10 SIGNAL NAME:
RCP STATUS
MEMORY LOCATION: 001160
MEMORY DATA BIT(S):
5
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of RCP.
REMARKS: From RCP through LH FAB MRTU Type I to FCC.
PASS:
If fifth digit displayed on HOD is 4, 5, 6, or 7, go to paragraph 12–11.
FAIL: Location of fault: RCP, wiring from RCP to LH FAB MRTU Type I, LH FAB MRTU Type I.
Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
