TM 1–1520–238–T–3
30–6
Change 5
30–18 SIGNAL NAME:
SUBSYSTEM FLAG
MEMORY LOCATION: 003054
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates subsystem fault.
REMARKS: From FCC to SDCC.
PASS:
If first digit displayed on CDU is 0 or 1, go to paragraph 30–19.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
30–19 SIGNAL NAME:
TERMINAL FLAG
MEMORY LOCATION: 003054
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates terminal fault.
REMARKS: From FCC to SDCC.
PASS:
If first digit displayed on CDU is 0, go to paragraph 30–20.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
30–20 SIGNAL NAME:
MESSAGE ERROR
MEMORY LOCATION: 003065
MEMORY DATA BIT(S):
9
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
indicates message error.
REMARKS: From FCC to SDCC.
PASS:
If fourth digit displayed on CDU is 0, go to paragraph 30–21.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
30–21 SIGNAL NAME:
RESERVED
MEMORY LOCATION: 003065
MEMORY DATA BIT(S):
12–14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates serial digital error.
REMARKS: From FCC to SDCC.
PASS:
If second and third digits displayed on CDU are 0, go to paragraph 30–22.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
30–22 SIGNAL NAME:
SUBSYSTEM FLAG
MEMORY LOCATION: 003065
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates subsystem fault.
REMARKS: From FCC to SDCC.
PASS:
If first digit displayed on CDU is 0 or 1, go to paragraph 30–23.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
30–23 SIGNAL NAME:
TERMINAL FLAG
MEMORY LOCATION: 003065
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates terminal fault.
REMARKS: From FCC to SDCC.
PASS:
If first digit displayed on CDU is 0, go to paragraph 30–24.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–2).
