A320 Trouble Shooting Manual 排故手册 除冰和排雨(96)

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R  - do a check for a short circuit (Ref. ASM 30-71/01), 
R  - replace the microfuse. 
R  H. If the green I/II LED of CONTROL UNIT 35DU does not come on: 
R  - do a check of the related microfuses. 
R  (1) If the microfuses are OK: 
R  - replace the CONTROL UNIT 35DU (Ref. AMM TASK 30-71-34-000-001) and 
R  (Ref. AMM TASK 30-71-34-400-001). 
R  (2) If the fault continues: 
R  NOTE : Remove the insulation from around the SENSOR 60DU and the____ 
R  HEATERS 61DU and 62DU. 
R  - apply cooling spray to the SENSOR 60DU for at least 10 s, 
R  - stop for approx. 120 s, 
R  - do a check of the temperature of the HEATERS 61DU and 62DU. 
R  (a) If the HEATERs 61DU and 62DU stay cold: 
R  - replace the SENSOR-WASTE WATER DE ICING (60DU) (Ref. AMM TASK 
R  30-71-17-000-001) and (Ref. AMM TASK 30-71-17-400-001). 
R  (b) If the HEATER 61DU stays cold: 
R  - replace the HEATER 61DU (Ref. AMM TASK 30-71-53-000-001) and 
R  (Ref. AMM TASK 30-71-53-400-001).

 「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 : 051-051, ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 218
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R  (c) If the HEATER 62DU stays cold: 
R  - replace the HEATER 62DU (Ref. AMM TASK 30-71-53-000-001) and 
R  (Ref. AMM TASK 30-71-53-400-001). 
R  (3) If one microfuse is not OK: 
R  - do a check for a short circuit (Ref. ASM 30-71/01), 
R  - replace the microfuse. 
R  **ON A/C ALL 
R  J. Do the test as given in Para. 3.A.
 5. Close-up________
 A. Put the aircraft back to its initial configuration.

 

R **ON A/C 051-051,
R TASK 30-71-00-810-809 R MID Drainmast-Heater Failure R 1. Possible Causes
_______________
R - 24DU (24DU)
R - DEU-B (300RH6)
R - wiring

R 2. Job Set-up Information

______________________
R A. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 23-73-00-810-827 R R AMM 23-73-47-000-001 R AMM 23-73-47-400-001 R R AMM 30-71-00-710-001 R AMM 30-71-00-710-002 R R AMM 30-71-51-000-001 R AMM 30-71-51-400-001 R ASM 30-71/03
R 3. Fault Confirmation
__________________ DEU-B - Fault in DEU-B 300RHx with connected Systems/Devices Removal of the Decoder/Encoder Units (DEU) B 300RH Installation of the Decoder/Encoder Unit (DEU) B 300RH Operational Test of the Drainmast Ice Protection Operational Test of the Waste-Water Ice-Protection Heater-Elements Removal of the Drain Mast Installation of the Drain Mast
R A. Do the operational test of the waste-water ice-protection system (Ref. R AMM TASK 30-71-00-710-001).
R 4. Fault Isolation
_______________
R A. If the fault message on the PTP 110RH shows 'CHECK AFT CARGO DRAINAGE':
R - do the operational test of the CONTROL UNIT 25DU (Ref. AMM TASK 30-71-R 00-710-002).

R (1) If the green 'HTR' LED of the CONTROL UNIT 25DU does not come on:
R - replace the 24DU (24DU) (Ref. AMM TASK 30-71-51-000-001) and (Ref.
R AMM TASK 30-71-51-400-001).

R (a) If the fault continues:
R - do a check and repair the wiring between:
R CONTROL UNIT 25DU connector A/8 and DRAINMAST 24DU connector
R A/B,

 「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 : 051-051, ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 220
 May 01/05 CES

R  DRAINMAST 24DU connector A/C and GND, 
R  DRAINMAST 24DU connector A/A and GND (Ref. ASM 30-71/03). 
R  (2) If the green 'HTR' LED of the CONTROL UNIT 25DU comes on: 
R  - do a check and repair the wiring if necessary between: 
R  CONTROL UNIT 25DU connector A/11 and DEU-B 300RH6 connector C/34, 
R  CONTROL UNIT 25DU connector A/14 and CB 21DU, 
R  CONTROL UNIT 25DU connector A/15 and GND (Ref. ASM 30-71/03). 
R  (a) If the fault continues: 
R  - replace the DEU-B (300RH6) (Ref. AMM TASK 23-73-47-000-001) and 
R  (Ref. AMM TASK 23-73-47-400-001). 
R  (3) If the fault continues: 
R  - do the trouble shooting procedure for the Fault in DEU-B 300RH6 
R  with connected Systems/Devices (Ref. TASK 23-73-00-810-827). 
　
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