R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
A. If the test confirms the fault:
- do a check of the status of the circuit breaker (2XX)
(1) If the circuit breaker is closed:
- do a check for 115VAC on the pins 1, 2, 3 of the module 20XX (Ref. ASM 24-42/01).
(a) If there is no 115VAC:
- do a check of the wiring between the circuit breaker (2XX) and the module 20XX (Ref. ASM 24-42/01).
(b) If there is 115VAC:
1_ If there is no continuity:
- repair the wiring.
2_ If there is continuity:
- replace the C/B-SVCE/BUS2/212XP SPLY (2XX).
- replace the CNTOR-AC GND SVCE SPLY (12XX) (Ref. AMM TASK 24-42-55-000-001) and (Ref. AMM TASK 24-42-55-400-001).
1 If the fault continues:
_
- replace the CNTOR-AC SVCE BUS NORM SPLY (12XN) (Ref. AMM TASK 24-51-55-000-001) and (Ref. AMM TASK 24-51-55-400-001).
2 If the fault continues:
_
- do a check and repair the wiring: . between the pin B/3 of the contactor (12XX) and the pin B/10 of the contactor (12XN) . between the pin B/5 of the contactor (12XX) and the first terminal block . between the pin B/12 of the contactor (12XN) and the first terminal block (Ref. ASM 24-42/01).
(2) If the circuit breaker is open:
- close it.
(a) If the circuit breaker trips:
- do a check of the wiring between the circuit breaker (2XX) and the busbars (212XP) and (216XP) (Ref. ASM 24-42/01).
1 If there is a short to ground:
_ - repair the wiring.
2 If there is no short to ground:
_ - replace the C/B-SVCE/BUS2/212XP SPLY (2XX).
「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 : 063-099, 106-149, 153-199, 206-299, ∞∞24-42-00∞∞∞∞∞∞∞∞∞∞Page 203
301-399, 401-499, Aug 01/05 CES
R **ON A/C ALL
B. Do this test to make sure that the system operates correctly.
(1) Do the test given in Para. 3. and make sure that:
- the ceiling forward and aft lights (L side) come on.
- the window forward and aft lights (R side) come on.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
(1) On the forward attendant panel 120RH release the CABIN WDO and CABIN CLG pushbutton switches.
(2) De-energize the ground service network with the ground power unit (Ref. AMM TASK 24-42-00-862-001).
TASK 24-42-00-810-802
Loss of the 214XP Busbar in Ground Service Configuration
1. Possible Causes
_______________
- CNTOR-AC & DC GND SVCE SPLY (14XX)
- CNTOR-TR 2/AC SVCE BUS NORM SPLY (14PU)
- wiring
- C/B-TR2/SVCE/BUS2/SPLY (1XX)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-32-55-000-001 Removal of the Transformer 1(2) Contactor (5PU1, 5PU2, 14PU) AMM 24-32-55-400-001 Installation of the Transformer 1(2) Contactor (5PU1, 5PU2, 14PU) AMM 24-42-00-861-001 Energize the Ground Service Network from the External Power AMM 24-42-00-862-001 De-energize the Ground Service Network Supplied from
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