4. Fault Isolation
_______________
R A. On the Door/Oxy page, if the CABIN indication comes into view amber: 
R - do a check for 28VDC between pins A and D of the handle proximity 
R switch (17WV1) (Ref. ASM 31-54/05).
R (1) If there is no 28VDC: 
R - do a check for 28VDC at pin S of the indicator light (3WN1).
R (a) If there is 28VDC: 
R - repair the wiring as necessary.
R  1_  If there is no 28VDC: 
R  - do a check for 28VDC between pins A and U of the indicator  
R  light (3WN1). 
R a_ If there is 28VDC:
R - replace the IND LT-SLIDE ARMED, AFT L DOOR (3WN1) (Ref. 
R AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-R 400-001).
R b_ If there is no 28VDC:
R - do a check for 28VDC at pin B of the indicator light 
R (2WN1). 
R 
R * If there is no 28VDC: 
R - replace the IND LT-SLIDE ARMED, L EMER EXIT (2WN1) (Ref. 
R AMM TASK 52-73-21-000-003) and (Ref. AMM TASK 52-73-21-R 400-003). 
R 
R * If there is 28VDC: 
R - repair the wiring as necessary.
R (2) If there is 28VDC:
- disconnect the connector of the handle proximity switch (17WV1)
- install the jumper wire between pins B and C of the connector (17WV1-A) (Ref. ASM 31-54/05)
 - do the test given in Para. 3.C. R 
R (a) On the Door/Oxy page, if the CABIN indication comes into view R green:
 - remove the jumper wire between pins B and C of the connector (17WV1-A)
- connect the connector of the handle proximity switch (17WV1)
- adjust the handle proximity switch (17WV1) with the door checking tool (Ref. AMM TASK 52-71-00-820-002) or with the ECAM system (Ref. AMM TASK 52-71-00-820-002).
R 
R 1_ On the Door/Oxy page, if the CABIN indication comes into viewR amber:
 「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 ∞∞52-13-00∞∞∞∞∞∞∞∞∞∞Page 211
 Nov 01/03 CES
 - replace the PROX SW-HANDLE, L AFT PAX/CREW DOOR (17WV1) (Ref. AMM TASK 52-71-11-000-001) and (Ref. AMM TASK 52-71-11-400-001). 
R 
R (b) On the Door/Oxy page, if the CABIN indication comes into view R amber:
 - remove the jumper wire between pins B and C of the connector (17WV1-A)
 - connect the connector of the handle proximity switch (17WV1) R - do a check for 28VDC between pins A and D of the hook proximity R switch (15WV1) (Ref. ASM 31-54/05). 
R 1_ If there is no 28VDC:
R - repair the wiring as necessary.
R 2_If there is 28VDC:
- disconnect the connector of the hook proximity switch (15WV1)
- install the jumper wire between pins B and C of the
 connector (15WV1-A) (Ref. ASM 31-54/05) R - do the test given in Para. 3.C. R 
R a_ On the Door/Oxy page, if the CABIN indication comes intoR view green:
 - remove the jumper wire between pins B and C of the connector (15WV1-A)
- connect the connector of the hook proximity switch (15WV1)
- adjust the hook proximity switch (15WV1) with the door checking tool (Ref. AMM TASK 52-71-00-820-001) or with the ECAM system (Ref. AMM TASK 52-71-00-820-001).
R R * On the Door/Oxy page, if the CABIN indication comes R into view amber:
 - replace the PROX SW-HOOK, L AFT PAX/CREW DOOR (15WV1) (Ref. AMM TASK 52-71-11-000-001) and (Ref. AMM TASK 52-71-11-400-001). 
R 
R b_ On the Door/Oxy page, if the CABIN indication comes intoR view amber:
 - remove the jumper wire between pins B and C of the connector (15WV1-A)
- connect the connector of the hook proximity switch (15WV1)
- disconnect the plug 2879VC of the indicator light (3WN1)
- install the jumper wire between pins F and G of the plug 2879VC (Ref. AWM 52-73-08)
 - do the test given in Para. 3.C. R
 「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 ∞∞52-13-00∞∞∞∞∞∞∞∞∞∞Page 212
 
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