3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the GPCU (Ref. AMM TASK 24-41-00-740-002).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message TDC AC SENSOR 50XU2:
 - replace the SENSOR-TDC AC, 2 (Ref. AMM TASK 24-22-18-000-001) and (Ref. AMM TASK 24-22-18-400-001).
 (1) If the fault continues:
 - do a check of the wiring: . from the pin AB/12D of the GPCU (1XG) to the pin A/A1 of the ENG2 LO OIL PRESS RELAY (8XT) . from the pin A/A2 of the ENG2 LO OIL PRESS RELAY (8XT) to the pin A/B1 of the TDC AC2 SENSOR (50XU2) . from the pin A/B3 of the TDC AC2 sensor to the pin AB/10D of the GPCU
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞24-22-00∞∞∞∞∞∞∞∞∞∞Page 229
 201-299, 301-399, Aug 01/05 CES . from the pin A/B3 of the TDC AC2 sensor to the pin AA/3A of the GCU2 (1XU2) (Ref. ASM 24-22/02).

 (a) If there is no continuity:

 - repair the wiring.

 (b) If there is continuity:

 - replace the ENG2 LO OIL PRESS RELAY (8XT).

 (c) If the fault continues:

 - do a check of the wiring . from the pins AA/12D, AA/13D and AA/11D of the GPCU to the pins AB/14C, AB/14D and AB/15C of the GCU2 (Ref. ASM 24-41/02).
 1 If there is no continuity:
_ - repair the wiring.
 2 If there is continuity:
_
 - replace the GCU-2 (1XU2) (Ref. AMM TASK 24-22-34-000-001) and (Ref. AMM TASK 24-22-34-400-001).
 a If the fault continues:
_
 - replace the GPCU (1XG) (Ref. AMM TASK 24-41-34-000-001) and (Ref. AMM TASK 24-41-34-400-001).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞24-22-00∞∞∞∞∞∞∞∞∞∞Page 230
 201-299, 301-399, Aug 01/05 CES

R **ON A/C ALL

 TASK 24-22-00-810-811
 Unwanted Warning from the GEN1
 1. Possible Causes
_______________
 - GCU-1 (1XU1) R - P/BSW-ELEC/GEN 1 (3XU1)
 - ELEC/GEN 1/P/BSW (3XU1)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 24-22-34-000-001 Removal of the GCU-1(2) (1XU1, 1XU2)
 AMM 24-22-34-400-001 Installation of the GCU-1(2) (1XU1, 1XU2)
 AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from Engine

 1(2) AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the Engine 1(2)
 AMM 31-60-00-860-001 EIS Start Procedure
 AMM 71-00-00-710-003 Engine Automatic Start
 AMM 71-00-00-710-028 Engine Shutdown
 ASM 24-22/02

 3. Fault Confirmation
__________________
 A. Job Set-up
 (1) Push the GEN 1 pushbutton switch (3XU1).

 (2) Aircraft Maintenance Configuration

 (a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

 (b) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).

 (3) Start the engine 1 (Ref. AMM TASK 71-00-00-710-003).

 「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 ∞∞24-22-00∞∞∞∞∞∞∞∞∞∞Page 231
 Aug 01/05 CES

 B. Test

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ECAM control panel: On the upper ECAM DU:
 - push the ELEC key to get the  - the GEN 1 OFF message comes into ELEC page. view.
 2. On the ELEC panel 35VU:  If on the upper ECAM DU:
 - release and push the GEN 1 - the GEN 1 OFF message goes out of
 pushbutton switch (3XU1).  new, stop the trouble shooting. If on the upper ECAM DU:
 - the GEN 1 OFF message remains on, continue the trouble shooting (refer to the fault isolation which follows).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
　
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