- the BITE test.
 The table has these headings:

 - CODE, the number that the trouble shooting data gives to identify a system FAULT

 - DESIGNATION, the specified fault

 - LGCIU No. 1 No. 2, the LGCIU that can find the fault

 - ON STANDBY, a fault that causes the master LGICU to change its status to On Standby (this causes the other LGCIU to control the L/G system Ref. AMM 32-31-00)

 - TSM PROCEDURE, the number of the trouble shooting procedure given in 32-31-00 for the specified fault

 - CFDS MESSAGE NUMBER, a number that identifies the message that the LGCIU sends for a specified fault (Refer to Para. 7. or 8.).

 The trouble shooting data that includes the FAULT code number is shown on the MCDU as follows:

 ------------------------------------ù LGCIU 1 ------> ù
 ù TROUBLE SHOOTING DATA ù
 L1 ù XY - ABCD DATE: NOV 20 ù R1
 ù FAULT GMT ATA CNT PH ù

R L2 ù G123 1220 32-31-71 01 05 ù R2
R ù A003 1100 32-31-73 02 05 ù L3 ù ù R3 ù ù L4 ù ù R4 ù ù L5 ù ù R5 ù ù L6 ù < RETURN PRINT > ù R6 ------------------------------------
NOTE : The letter at the start of the fault code number shows the location
____
R of the fault. The letter A shows the fault is external to the LGCIU
R and it is recommended that the LGCIU is not replaced until it is sure
R that there are no external faults. The letters B thru J show the
R fault is internal to the LGCIU. The fault code letters are:
 - A - No SRU Affected (External to LGCIU)

 - B - Output Board

 - C - Proximity Board 1

 - D - Proximity Board 2

 - E - Interface Board 1

 - F - Interface Board 2

 - G - Interface Board 3

 - H - Microprocessor Board

 - I - Power Supply

 - J - OBRM

 ------------------------------------------------------------------------------
R CODE DESIGNATION LGCIU CONTROL TSM CFDS
R No.1 No.2 FAULT PROCEDURE MESSAGE IN 32-31-00 NUMBER ------------------------------------------------------------------------------001 Failure of the other LGCIU 1 2 No 802, 804 41 002 CFDS or input bus failure, 1 2 No 801 2 no input data 003 CFDS failure, rx data even 1 2 No 801 2 parity 004 L/G retract solenoid, short 1 2 Yes 806 3 circuit 005 L/G extend solenoid, short 1 2 Yes 806 3 circuit 006 L/G doors open solenoid, short 1 2 Yes 807 5 circuit 007 L/G doors close solenoid, short 1 2 Yes 807 5 circuit 008 LGCIU operational signal fault 1 2 Yes 802 1
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞32-31-00∞∞∞∞∞∞∞∞∞∞Page 302
 Nov 01/00 CES

 ------------------------------------------------------------------------------
R CODE DESIGNATION LGCIU CONTROL TSM CFDS
R No.1 No.2 FAULT PROCEDURE MESSAGE IN 32-31-00 NUMBER ------------------------------------------------------------------------------009 Not used 010 Not used 011 Not used 012 Nose L/G retract cycling 1 2 No 812 11 requiring retract inhibit 013 Not used 014 Not used 015 L/G control lever UP switches 1 2 Yes 809 14 not equal 016 L/G control lever DOWN switches 1 2 Yes 809 14 not equal 017 L/G control lever both UP and 1 2 Yes 809 14 DOWN selected 018 Nose L/G extended/centered 1 2 Yes 815 17 proximity switch signal invalid 019 RH L/G extended proximity switch 1 2 Yes 813 15 signal invalid 020 Nose L/G uplock proximity switch 1 2 Yes 827 30 signal invalid 021 RH L/G uplock proximity switch 1 2 Yes 825 28 signal invalid 022 RH L/G door fully open proximity 1 2 Yes 816 18 switch signal invalid 023 Nose L/G downlock proximity 1 2 Yes 824 27 switch signal invalid 024 Nose L/G RH door open proximity 1 2 Yes 818 20 switch signal invalid 025 Nose L/G LH door open proximity 1 2 Yes 818 21 switch signal invalid 026 LH L/G downlock proximity switch 1 2 Yes 823 26 signal invalid 027 RH L/G downlock proximity switch 1 2 Yes 822 25 signal invalid 028 Nose L/G doors uplock proximity 1 2 Yes 821 24 switch signal invalid 029 RH L/G door uplock proximity 1 2 Yes 819 22 switch signal invalid 030 Not used 031 Not used 032 LH L/G gear uplock proximity 1 2 Yes 826 29 switch signal invalid 033 LH L/G extended proximity switch 1 2 Yes 814 16 signal invalid 034 FWD cargo door safety mechanism 1 No 832 33 proximity switch signal invalid 035 AFT cargo door safety mechanism 1 No 833 34 proximity switch signal invalid

 ------------------------------------------------------------------------------CODE DESIGNATION LGCIU CONTROL TSM CFDS No.1 No.2 FAULT PROCEDURE MESSAGE
　
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