TM 1–1520–238–T–3Change 43–133–53 SIGNAL NAME:DASEC STATUS WORD ASE BIT (ACY) DASE BIT STATUS (ACZ)MEMORY LOCATION: 002240MEMORY DATA BIT(S):11(BINARY)CONDITION:(None)SIGNAL FUNCTION:Indicates last FD/LS test ASE bit status.REMARKS: From FCC to DASEC.PASS:If third digit displayed on HOD is 1, go to paragraph 3–54.FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).3–54 SIGNAL NAME:DASEC STATUS WORD SERIAL DIGITAL ERROR (ACY) S/D ERROR (ACZ)MEMORY LOCATION: 002240MEMORY DATA BIT(S):10(BINARY)CONDITION:(None)SIGNAL FUNCTION:Indicates HARS ability to acknowledge whether an error has been flagged.REMARKS: From FCC to DASEC.PASS:If fourth digit displayed on HOD is 0, 2, 4, or 6, go to paragraph 3–55.FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).3–55 SIGNAL NAME:HARS SUBSYSTEM (ACY) HARS READY IND (ACZ)MEMORY LOCATION: 002103MEMORY DATA BIT(S):5(BINARY)CONDITION:(None)SIGNAL FUNCTION:Indicates status of HARS.REMARKS: From DASEC to FCC.PASS:If fifth digit displayed on HOD is 0, 1, 2, or 3, go to paragraph 3–56.FAIL: Location of fault: refer to Chapter 6, paragraph 6–8.3–56 SIGNAL NAME:ROM CHECKSUMMEMORY LOCATION: 002103MEMORY DATA BIT(S):6(BINARY)CONDITION:(None)SIGNAL FUNCTION:Indicates status of DASEC read only memory (ROM) check.REMARKS: From DASEC to FCC.PASS:If fifth digit displayed on HOD is 0 or 1, go to paragraph 3–57.FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).3–57 SIGNAL NAME:26 VAC REF A & B (ACY) 26VAC STAT (ACZ)MEMORY LOCATION: 002103MEMORY DATA BIT(S):7(BINARY)CONDITION:(None)SIGNAL FUNCTION:Indicates status of 26 VAC output from T1 and T2.REMARKS: From DASEC to FCC.PASS:If fifth digit displayed on HOD is 0, go to paragraph 3–58.FAIL: Location of fault: go to paragraph 3–97.
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