(6) If all SIGNS-EXIT LOCATION and SIGNS-EXIT MARKING related to the POWER SUPPLY UNIT-EMERGENCY (10WL) do not come on:
- replace the POWER SUPPLY UNIT-EMERGENCY (10WL) (Ref. AMM TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
(a) If the fault continues:
- do a check and repair the wiring between the: POWER SUPPLY UNIT-EMERGENCY (10WL) connector A/<F and the Relay (8WL) connector A/2 (Ref. ASM 33-51/01) and (Ref. ASM 33-51/01).
(7) If all lights, signs and markers related to the POWER SUPPLY UNIT-EMERGENCY (10WL) do not come on:
- replace the POWER SUPPLY UNIT-EMERGENCY (10WL) (Ref. AMM TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
R **ON A/C 229-299,
R B. If the test gives the maintenance message EPSU INT LOAD FWD L, do the R operational test of the emergency cabin lights and signs (Ref. AMM TASK R 33-51-00-710-004).
R NOTE : The time taken to do this test must not be more than 1 minute to
____ R prevent discharge of the emergency lighting batteries.
R (1) If one or more lamps of the LIGHTS-EMERGENCY, CABIN related to the
R POWER SUPPLY UNIT-EMERGENCY (10WL) do not come on:
R - replace the lamp(s).
R (a) If the fault continues:
R - do a check for approx. 6 VDC at the related LIGHT-EMERGENCY,
R CABIN (Ref. ASM 33-51/01).
R 1_ If there are approx. 6 VDC:
R - replace the related LIGHT-EMERGENCY, CABIN (Ref. AMM TASK
R 33-51-11-000-001) and (Ref. AMM TASK 33-51-11-400-001).
R 2_ If there are no 6 VDC:
R - do a check and repair the wiring between the:
R POWER SUPPLY UNIT-EMERGENCY (10WL) connector A/E or G and
R the related LIGHT-EMERGENCY, CABIN,
R related LIGHT-EMERGENCY, CABIN and GND (Ref. ASM 33-51/01).
R (2) If one EXIT MARKER related to the POWER SUPPLY UNIT-EMERGENCY (10WL)
R does not come on:
R - replace the related EXIT MARKER (Ref. AMM TASK 33-51-13-000-001)
R and (Ref. AMM TASK 33-51-13-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 159-199, 210-299, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page 224
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R (a) If the fault continues:
R - do a check and repair the wiring between the:
R INVERTER (102WL) pin 3 and the related EXIT MARKER,
R INVERTER (102WL) pin 4 and the related EXIT MARKER (Ref. ASM
R 33-51/04).
R (3) If all EXIT MARKERS related to the POWER SUPPLY UNIT-EMERGENCY (10WL)
R do not come on:
R - do a check for approx. 6 VDC and at the INVERTER (102WL) pin 1
R (Ref. ASM 33-51/04):
R (a) If there are no 6 VDC:
R - do a check for approx. 6 VDC at the POWER SUPPLY UNIT-EMERGENCY
R (10WL) connector A/E (Ref. ASM 33-51/01).
R 1_ If there are no 6 VDC:
R - replace the POWER SUPPLY UNIT-EMERGENCY (10WL) (Ref. AMM
R TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
R 2_ If there are approx. 6 VDC:
R - do a check and repair the wiring between the:
R POWER SUPPLY UNIT-EMERGENCY (10WL) connector A/E and the
R CAPACITOR (2007VU1) connector A/5,
R CAPACITOR (2007VU1) connector A/4 and the INVERTER (102WL)
R pin 1 (Ref. ASM 33-51/01) and (Ref. ASM 33-51/04).
R a_ If the fault continues:
R - replace the CAPACITOR (2007VU1) (Ref. AMM TASK 33-51-36-R 000-001) and (Ref. AMM TASK 33-51-36-400-001).
R (b) If there are approx. 6 VDC:
R - do a check for approx. 115 VAC at the INVERTER (102WL) between
R pin 3 and 4 (Ref. ASM 33-51/04).
R 1_ If there are no 115 VAC:
R - replace the INVERTER (102WL) (Ref. AMM TASK 33-51-37-000-R 001) and (Ref. AMM TASK 33-51-37-400-001).
R a_ If the fault continues:
R - do a check and repair the wiring between the:
R INVERTER (102WL) pin 2 and GND (Ref. ASM 33-51/04).
R 2_ If there are approx. 115 VAC:
R - replace all related EXIT MARKERS (Ref. AMM TASK 33-51-13-R 000-001) and (Ref. AMM TASK 33-51-13-400-001).
R a_ If the fault continues:
R - do a check and repair the wiring between the:
R INVERTER (102WL) pin 3 and all related EXIT MARKERS,
R INVERTER (102WL) pin 4 and all related EXIT MARKERS (Ref.
R ASM 33-51/04).
「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 : 229-299, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page 225
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R (4) If all LIGHTS-EMERGENCY, CABIN and EXIT MARKERS related to the POWER
R SUPPLY UNIT-EMERGENCY (10WL) do not come on:
R - replace the POWER SUPPLY UNIT-EMERGENCY (10WL) (Ref. AMM TASK 33-
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本文链接地址：A320 Trouble Shooting Manual 排故手册 LIGHTS 灯光(85)
