R **ON A/C ALL

 TASK 24-21-00-810-834
 Loss of the Amber DISC Indication for the IDG 1
 1. Possible Causes
_______________
 - wiring

 - relay (3XT)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM  24-21-00-720-041 Operational Test of the IDG Disconnect and Reconnect (Reset) Function - Engine in Operation ASM 24-21/01
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the IDG disconnect and reconnect (reset) function - Engine in operation (Ref. AMM TASK 24-21-00-720-041)

 (2) If the IDG does not disconnect or the DISC indication does not come into view on the ELEC page on the lower ECAM display unit:

 - do the trouble shooting given in para 4.A.
 4. Fault Isolation
_______________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test confirms the fault:
 (1) Do a check and repair the wiring (Ref. ASM 24-21/01):

 - between the pin A/3B of the GCU 1 (1XU1) and the pin 2 of the circuit breaker (1XT)

 - the pin A/10D of the GCU 1 (1XU1) and the pin A/4A of the EGIU 1 (22XU1).

 (2) If the fault continues:

 - replace the relay (3XT).
 「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 ∞∞24-21-00∞∞∞∞∞∞∞∞∞∞Page 282
 Aug 01/05 CES

R  **ON A/C 401-499, 
R  A. If the test confirms the fault: 
R  (1) Do a check and repair the wiring between the pin A/2J of the GCU 1 
R  (1XU1) and the pin 2 of the circuit breaker (1XT) (Ref. ASM 24-
R  21/01). 
R  (2) If the fault continues: 
R  - replace the relay (3XT). 
R  **ON A/C ALL
 B. Test
 (1) Do the operational test of the IDG disconnect and reconnect (reset)
 function - Engine in operation (Ref. AMM TASK 24-21-00-720-041).

 TASK 24-21-00-810-835

 Loss of the Amber DISC Indication for the IDG 2
 1. Possible Causes
_______________
 - wiring

 - relay (4XT)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM  24-21-00-720-041 Operational Test of the IDG Disconnect and Reconnect (Reset) Function - Engine in Operation ASM 24-21/01
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the IDG disconnect and reconnect (reset) function - Engine in operation (Ref. AMM TASK 24-21-00-720-041)

 (2) If the IDG does not disconnect or the DISC indication does not come into view on the ELEC page on the lower ECAM display unit:

 - do the trouble shooting given in para 4.A.
 4. Fault Isolation
_______________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test confirms the fault:
 (1) Do a check and repair the wiring (Ref. ASM 24-21/01):

 - between the pin A/3B of the GCU 2 (1XU2) and the pin 2 of the circuit breaker (2XT)

 - the pin A/10D of the GCU 2 (1XU2) and the pin A/4A of the EGIU 2 (22XU2).

 (2) If the fault continues:

 - replace the relay (4XT).

R  **ON A/C 401-499, 
R  A. If the test confirms the fault: 
R  (1) Do a check and repair the wiring between the pin A/2J of the GCU 2 
R  (1XU2) and the pin 2 of the circuit breaker (2XT) (Ref. ASM 24-
R  21/01). 
R  (2) If the fault continues: 
R  - replace the relay (4XT). 
R  **ON A/C ALL
 B. Test
 (1) Do the operational test of the IDG disconnect and reconnect (reset)
 function - Engine in operation (Ref. AMM TASK 24-21-00-720-041).

 TASK 24-21-00-810-840

 No Automatic Connection of the IDG 1 or Loss of the GEN 1
　
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