TM 1–1520–238–T–3
8–26
Change 4
8–76 SIGNAL NAME:
P1 LAUNCHER BIT PERFORMED (ACY) L1 BITE PERFORMED (ACZ)
MEMORY LOCATION: 001347
MEMORY DATA BIT(S):
11
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to FCC that BIT has been performed.
REMARKS: From RHE to FCC.
PASS:
If third digit on HOD is 4, 5, 6, or 7, go to paragraph 8–77.
FAIL: Location of fault: L INBD LCHR DC circuit breaker, wiring from L INBD LCHR DC circuit
breaker to L OUTBD LCHR DC circuit breaker, L OUTBD LCHR DC circuit breaker, wiring from
L OUTBD LCHR DC circuit breaker to ARM DC circuit breaker, ARM DC circuit breaker, wiring
from ARM DC circuit breaker to ARM PWR ENA Relay K1–5, ARM PWR ENA Relay K1–5,
wiring from ARM PWR ENA Relay K1–5 to remote control circuit breaker (RCCB) CB3, remote
control circuit breaker (RCCB) CB3, wiring from CPG FCP to LCHR DC PWR ENABLE Relay
K2–5/6, LCHR DC PWR ENABLE Relay K2–5/6, wiring from CPG FCP to LCHR AC PWR
ENABLE Relay K3–5/6, LCHR AC PWR ENABLE Relay K3–5/6,wiring from LCHR AC PWR
ENABLE Relay K3–5/6 to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–77 SIGNAL NAME:
P1 LAUNCHER BIT STATUS (ACY) L1 BITE STATUS (ACZ)
MEMORY LOCATION: 001347
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates launcher BIT status to FCC.
REMARKS: From RHE to FCC.
PASS:
If first digit on HOD is 0, 2, 4, or 6, go to paragraph 8–78.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–78 SIGNAL NAME:
P1 COM STATUS
MEMORY LOCATION: 001434
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to RHE that FCC has determined upon receipt of digital data from
launcher, that an acknowledge error was present (no data received or all data
words contain parity error).
REMARKS: From FCC to RHE.
PASS:
If first digit on HOD is 0, 2, 4, or 6, go to paragraph 8–315.
FAIL: Location of fault: ECSP, wiring from ECSP to MRTU Type II, MRTU Type II. Troubleshoot wiring
to isolate fault (TM 9–1427–475–20).
8–79 SIGNAL NAME:
P1M1 BIT PERFORMED
MEMORY LOCATION: 001350
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to FCC that BIT has been performed.
REMARKS: From RHE to FCC.
PASS:
If first digit on HOD is 1, 3, 5, or 7, go to paragraph 8–80.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
