3. Fault Confirmation
__________________
 A. Aircraft Maintenance Configuration
 (1) Disarm the percussion system of the door damper and emergency operation cylinder (Ref. AMM TASK 52-10-00-860-001).

 (2) Remove the escape slide or escape slide/raft pack assembbly (Ref. AMM TASK 25-62-44-000-002).

 「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 205
 Aug 01/02 CES B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------

PANEL ------ DESIGNATION ------------------------------------ ------------------ IDENT. LOCATION-------------------
121VU EIS/SLIDES/ARM AND WARN/GND  13WN  P10
 C. Test
 ------------------------------------------ACTION  ------------------RESULT -------------------

-------------------------------------------------------------------------------
Open the aft left passenger/crew Make sure that the SLIDE ARMED white door with the handle of the escape indicator light of the aft left slide in the ARMED position. passenger/crew door is not on.
 4. Fault Isolation
_______________
 A. If the test confirms the fault:
 - do a check of the circuit breaker (13WN) status (Ref. ASM 52-73/01).
 (1) If the circuit breaker is closed:
 - do a check for 28VDC at pin A of the indicator light (3WN1) (Ref. ASM 52-73/01).
 (a) If there is 28VDC:
 - replace the IND LT-SLIDE ARMED, AFT L DOOR (3WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 1 If the fault continues:
_
 - do a check for a ground signal at pin C of the proximity switch (17WV1) (Ref. ASM 31-54/05).
 a If there is a ground signal:
_
 - do a check and repair the wiring from the proximity switch (17WV1) to the indicator light (3WN1): pin B to pin F (Ref. ASM 31-54/05) and (Ref. ASM 52-73/01).
 b If there is no ground signal:
_
 - repair the wiring from the proximity switch (17WV1) pin C to the ground (Ref. ASM 31-54/05).
 「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 206
 Nov 01/01R
 CES  (b) If there is no 28VDC:

 - do a check and repair the wiring from the indicator light
 (3WN1) and the indicator light (2WN1): pin A to pin B (Ref. ASM 52-73/01) and (Ref. ASM 52-73/01).
 1 If the fault continues:
_
 - replace the IND LT-SLIDE ARMED, L EMER EXIT (2WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 2 If the fault continues:
_
 - do a check and repair the wiring from the indicator light (2WN1) to the indicator light (1WN1): pin A to pin B (Ref. ASM 52-73/01).
 3 If the fault continues:
_
 - replace the IND LT-SLIDE ARMED, FWD L DOOR (1WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 4 If the fault continues:
_
 - do a check and repair the wiring from the indicator light (1WN1) to the relay (12WN): pin A to pin A/B2 (Ref. ASM 52-73/01).
 5 If the fault continues:
_
 - replace the RELAY-PWR SPLY SWITCHOVER (12WN) (Ref. ASM 52-73/01).
 6 If the fault continues:
_
 - do a check and repair the wiring from the relay (12WN) to the circuit breaker (13WN): pin A/B3 to pin 2 (Ref. ASM 52-73/01).
 7 If the fault continues:
_
 - replace the C/B-EIS/SLIDES/ARM AND WARN/GND (13WN) (Ref. ASM 52-73/01).
 (2) If the circuit breaker is open:
 - close the circuit breaker.
 (a) If the circuit breaker trips:
 - replace the indicator light (3WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 1 If the fault continues:
_
 - replace the indicator light (2WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 2 If the fault continues:
_
 - replace the indicator light (1WN1) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 「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 207
 Feb 01/98 CES 3 If the fault continues:
　
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