OUTFLOW VALVE 21-31-51 OFV electronic box 1 fault
 ELECTRONIC 1 (XX)
 OUTFLOW VALVE 21-31-51 OFV electronic box 2 fault
 ELECTRONIC 2 (XX)
 OUTFLOW VALVE FEEDBACK 21-31-51 OFV feedback module fault
 ASSY (XX)

 OUTFLOW VALVE 21-31-51 OFV fault (mechanical)
 1EFF : ALL 1 21-31-00Page 72 1 1 Aug 01/05R 1 1 1CES 1

 (2) Class 3 Maintenance Messages
 NOTE : (XX) = the related fault code for shop maintenance.
____
 -------------------------------------------------------------------------------| BITE TEST |-----------------------------------------------------------------------------| | INDICATION ON THE MCDU | ATA REF. | BITE DETECTION | -------------------------------------------------------------------------------
PRESS CONTROLLER 1 (XX)  21-31-34  CPC 1 fault
 PRESS CONTROLLER 2 (XX)  21-31-34  CPC 2 fault
 LFES  Landing field elevation selector fault
 OUTFLOW VALVE  21-31-51  Outflow valve fault (mechanical)
 BLOCKED (XX)
 FMGS 1 OUT OF RANGE (XX)  22-83-34  CPC 1(2) receives incorrect FMGS data
 FMGS 2 OUT OF RANGE (XX)  22-83-34  CPC 1(2) receives incorrect FMGS data
 NO DATA FROM FMGS 1 (XX)  22-83-34  CPC 1(2) receives no data from the
 FMGS 1
 NO DATA FROM FMGS 2 (XX)  22-83-34  CPC 1(2) receives no data from the
 FMGS 2
 LGCIU SIG. REPLACED (XX)  32-31-71  LGCIU signal mismatched
 ADIRS 1 OUT OF RANGE (XX)  34-12-34  CPC 1(2) receives incorrect ADIRS 1
 data
 ADIRS 2 OUT OF RANGE (XX)  34-12-34  CPC 1(2) receives incorrect ADIRS 2
 data
 ADIRS 3 OUT OF RANGE (XX)  34-12-34  CPC 1(2) receives incorrect ADIRS 3
 data
 NO DATA FROM ADIRS 1 (XX)  34-12-34  CPC 1(2) receives no data from the
 ADIRS 1
 NO DATA FROM ADIRS 2 (XX)  34-12-34  CPC 1(2) receives no data from the
 ADIRS 2
 NO DATA FROM ADIRS 3 (XX)  34-12-34  CPC 1(2) receives no data from the

 1EFF : ALL 1 21-31-00Page 73 1 1 Aug 01/05R 1 1 1CES 1

 -------------------------------------------------------------------------------| BITE TEST |-----------------------------------------------------------------------------| | INDICATION ON THE MCDU | ATA REF. | BITE DETECTION | -------------------------------------------------------------------------------
ADIRS 3
 EIU SIGNAL REPLACED (XX) 73-25-34 EIU signal mismatched
 (3) Fault Codes If a fault is detected by the CPC BITE, a fault code for shop maintenance is shown on the CFDS in addition to the related CFDS maintenace message. The subsequent table shows the possible fault codes with their attached fault origins:
 .-------.--------------------------------------.------------------------------. | FAULT | FAULT ORIGIN | CFDS MESSAGE | | CODE | | | |-------|--------------------------------------|------------------------------| | 00 | RAM_FAILED_REG | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 01 | RAM_FAILED_RAM | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 02 | FMS1_DATA_OUT_OF_RANGE | FMGS1 OUT OF RANGE | |-------|--------------------------------------|------------------------------| | 03 | FMS2_DATA_OUT_OF_RANGE | FMGS2 OUT OF RANGE | |-------|--------------------------------------|------------------------------| | 04 | ACT_STATUS_FAIL | OUTFLOW VALVE ELEC 1 (2) | |-------|--------------------------------------|------------------------------| | 05 | CAL_TIME_OPEN_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 06 | BACKGROUND_TIMEOUT | | |-------|--------------------------------------|------------------------------| | 07 | SIGNPOST_FAIL | | |-------|--------------------------------------|------------------------------| | 08 | ROM_CRC_FAIL | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 09 | RS422_WR_FAIL | CONTR | |-------|--------------------------------------|------------------------------| | 10 | RS422_CHECKSUM_FAIL | CONTR | |-------|--------------------------------------|------------------------------| | 11 | CAL_TIME_CLOSED_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 12 | WDT_TRIPPED_EARLY_FAIL | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 13 | WDT_TRIPPED_LATE_FAIL | PRESS CONTROLLER 1 (2) |
 1EFF : ALL 1 21-31-00Page 74 1 1 Aug 01/05R 1 1 1CES 1

 .-------.--------------------------------------.------------------------------. | FAULT | FAULT ORIGIN | CFDS MESSAGE | | CODE | | | |-------|--------------------------------------|------------------------------| |-------|--------------------------------------|------------------------------| | 14 | ADIRS1_DATA_OUT_OF_RANGE | ADIRS1 OUT OF RANGE | |-------|--------------------------------------|------------------------------| | 15 | ADIRS2_DATA_OUT_OF_RANGE | ADIRS2 OUT OF RANGE | |-------|--------------------------------------|------------------------------| | 16 | AD_FRAME_LATE_FAIL | | |-------|--------------------------------------|------------------------------| | 17 | EIU_SIGNAL_REPLACED | EIU SIGNAL REPLACED | |-------|--------------------------------------|------------------------------| | 18 | PC_STEP_FAIL | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 19 | ADIRS1_FAIL | NO DATA FROM ADIRS1 | |-------|--------------------------------------|------------------------------| | 20 | ADIRS2_FAIL | NO DATA FROM ADIRS2 | |-------|--------------------------------------|------------------------------| | 21 | ADIRS3_FAIL | NO DATA FROM ADIRS3 | |-------|--------------------------------------|------------------------------| | 22 | ALL_ARINC_MUX_FAIL | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------| | 23 | RS422_ACTIVITY_FAIL | | |-------|--------------------------------------|------------------------------| | 24 | SLEW_RATE_CLOSE_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 25 | ZCAL_OPEN_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 26 | ZCAL_CLOSED_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 27 | ADIRS3_DATA_OUT_OF_RANGE | ADIRS3 OUT OF RANGE | |-------|--------------------------------------|------------------------------| | 28 | STATE_CHANGE_DURING_SCBIT | | |-------|--------------------------------------|------------------------------| | 29 | SCBIT_START_FAIL | OUTFL. VAL. BLOCKED | |-------|--------------------------------------|------------------------------| | 30 | PC_VERSUS_PA_FAIL | CONTR | |-------|--------------------------------------|------------------------------| | 31 | SW_INTERRUPT_TOO_EARLY | | |-------|--------------------------------------|------------------------------| | 32 | SYSTEM_FAIL | | |-------|--------------------------------------|------------------------------| | 33 | OFV_BETA_FAIL | OUTFLOW VALVE | |-------|--------------------------------------|------------------------------| | 34 | HIGH_CABIN_RATE_FAIL | PRESS CONTROLLER 1 (2) | |-------|--------------------------------------|------------------------------|
　
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