A320 Trouble Shooting Manual 排故手册除冰和排雨(90)_航空信息_民用航空_通用航空

(2) If the green 'HTR' LED of the CONTROL UNIT 5DU comes on:

- do a check and repair the wiring if necessary between: CONTROL UNIT 5DU connector A/11 and DEU-B 300RH1 connector C/34, CONTROL UNIT 5DU connector A/14 and CB 1DU, CONTROL UNIT 5DU connector A/15 and GND (Ref. ASM 30-71/01).
(a) If the fault continues:
- replace the DEU-B (300RH1) (Ref. AMM TASK 23-73-47-000-001) and (Ref. AMM TASK 23-73-47-400-001).
1_ If the fault continues:
- do the trouble shooting procedure for the Fault in DEU-B
300RH1 with connected Systems/Devices (Ref. TASK 23-73-00-
810-827).

B. Do the test as given in Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.

AFT Drainmast-Heater Failure
1. Possible Causes
_______________
- CONTROL UNIT (15DU)

- DRAINMAST-AFT (14DU)

- DEU-B (300RH5)

- wiring

2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-73-00-810-827 DEU-B - Fault in DEU-B 300RHx with connected
Systems/Devices AMM 23-73-47-000-001 Removal of the Decoder/Encoder Units (DEU) B 300RH AMM 23-73-47-400-001 Installation of the Decoder/Encoder Unit (DEU) B
300RH AMM 30-71-00-710-001 Operational Test of the Drainmast Ice Protection R AMM 30-71-34-000-001 Removal of the Waste-Water Ice-Protection Control-Unit AMM 30-71-34-400-001 Installation of the Waste-Water Ice-Protection
Control-Unit
AMM 30-71-51-000-001 Removal of the Drain Mast
AMM 30-71-51-400-001 Installation of the Drain Mast
ASM 30-71/01

3. Fault Confirmation
__________________
A. Do the operational test of the waste-water ice-protection system (Ref. AMM TASK 30-71-00-710-001).
4. Fault Isolation
_______________
A. If the fault message on the PTP 110RH shows 'DRAINMASTS HEATER AFT': R - do the operational test of the CONTROL UNIT 15DU (Ref. AMM TASK 30-71-R 00-710-001).
(1) If the green 'HTR' LED of the CONTROL UNIT 15DU does not come on:
- replace the CONTROL UNIT (15DU) (Ref. AMM TASK 30-71-34-000-001) (Ref. AMM TASK 30-71-34-400-001).
(a) If the fault continues:
- replace the DRAINMAST-AFT (14DU) (Ref. AMM TASK 30-71-51-000-001) and (Ref. AMM TASK 30-71-51-400-001).
「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 ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 203
Aug 01/99 CES 1 If the fault continues:

_
- do a check and repair the wiring between: CONTROL UNIT 15DU connector A/8 and DRAINMAST 14DU connector A/B, DRAINMAST 14DU connector A/C and GND, DRAINMAST 14DU connector A/A and GND (Ref. ASM 30-71/01).
(2) If the green 'HTR' LED of the CONTROL UNIT 15DU comes on:
- do a check and repair the wiring if necessary between: CONTROL UNIT 15DU connector A/11 and DEU-B 300RH5 connector C/34, CONTROL UNIT 15DU connector A/14 and CB 11DU, CONTROL UNIT 15DU connector A/15 and GND (Ref. ASM 30-71/01).
(a) If the fault continues:
- replace the DEU-B (300RH5) (Ref. AMM TASK 23-73-47-000-001) and (Ref. AMM TASK 23-73-47-400-001).
1 If the fault continues:
_
- do the trouble shooting procedure for the Fault in DEU-B 300RH5 with connected Systems/Devices (Ref. TASK 23-73-00-810-827).
B. Do the test as given in Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
「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 ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 204
Aug 01/99R
CES Control Unit Failure of FWD Drainmast

1. Possible Causes
_______________
- CONTROL UNIT (5DU)

- DRAINMAST-FWD (4DU)

- DEU-B (300RH1)

- wiring