A320 Trouble Shooting Manual EQUIPMENT/FURNISHINGS(17)

 A. Do the Bite Test of the Heated Floor Panel System (Ref. AMM TASK 25-27-00-740-001).
 4. Fault Isolation
_______________

 A. If the test indicators on the control unit 14DS do not come on:
 - Do a check for 115 VAC on the electrical connector 14DS-A, pin 14.
 (1) If there is no 115 VAC:
 - Do a check of the aircraft wiring between the electrical connector 14DS-A, pin 14 and the circuit breaker 11DS, pin 2 (Ref. ASM 25-27/01) or (Ref. ASM 25-27/02).
 (a) If there is continuity:

 - Replace the circuit breaker DOOR AREA HTG PANELS/DOOR 3/HEATER (11DS).

 (b) If there is no continuity:

 - Repair the aircraft wiring (Ref. ASM 25-27/01) or (Ref. ASM 25-27/02).
 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 EFF : 301-399, ∞∞25-27-00∞∞∞∞∞∞∞∞∞∞Page 206
 May 01/04 CES (2) If there is 115 VAC:

 - Do a check for 28 VDC on the electrical connector 14DS-A, pin 16.
 (a) If there is no 28 VDC:
 - Do a check of the aircraft wiring from the electrcal connector 14DS-A, pin 16 to the circuit breaker 13DS, pin 2 (Ref. ASM 25-27/01) or (Ref. ASM 25-27/02).
 1_ If there is no continuity:
 - Replace the RELAY-GALLEY PWR SPLY (6MC) (Ref. AMM TASK 24-
56-55-000-002) and (Ref. AMM TASK 24-56-55-400-002).

 a If the fault continues:
_

 - Repair the aircraft wiring (Ref. ASM 25-27/01) and (Ref. ASM 25-27/02).
 2 If there is continuity:
_

 - Replace the circuit breaker DOOR AREA HTG PANELS/DOOR 3/CTL (13DS).
 (3) If there is 28 VDC:
 - Replace the CONTROL UNIT-DOOR AREA HEATING (14DS) (Ref. AMM TASK 25-27-34-000-001) and (Ref. AMM TASK 25-27-34-400-001).
 B. Do the test given in Para. 3.A.

 GALLEY EQUIPMENT - FAULT ISOLATION PROCEDURES
_____________________________________________
R **ON A/C 001-049, 101-149, 151-199, 201-299, 301-399, 401-499,
 TASK 25-35-00-810-802

 Coffee-Maker does not operate
 1. Possible Causes
_______________

 - coffee-maker

 - wiring

 - electrical connector of the coffee-maker

 - related CB

 - related relays or switches

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-56-00-810-801 Galley Supply Fault
 AMM 25-35-00-710-013 Operational Test of the Coffee-Maker
 AMM 25-35-15-000-001 Removal of the Coffee Maker
 AMM 25-35-15-400-001 Installation of the Coffee Maker
 ASM 25-31/01
 ASM 25-32/01
 ASM 25-33/01

 3. Fault Confirmation
__________________

 A. Do the operational test of the coffee-maker (Ref. AMM TASK 25-35-00-710-013).
 4. Fault Isolation
_______________

 A. If the coffee-maker does not operate during the test:
 - Replace the coffee-maker (Ref. AMM TASK 25-35-15-000-001) and (Ref. AMM TASK 25-35-15-400-001).
 (1) If the fault continues:
 - Do a check and if necessary repair the wiring between the related galley control panel and the electrical connector of the coffee-maker.

 - Do a check and if necessary repair the related CB at the galley control panel and if installed the related relays or switches (Ref. ASM 25-31/01) (Ref. ASM 25-32/01) (Ref. ASM 25-33/01).

 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 EFF : ALL ∞∞25-35-00∞∞∞∞∞∞∞∞∞∞Page 201
 Aug 01/05 CES (2) If the fault continues:

 - Do a check and if necessary repair the wiring of the galley (Ref. TASK 24-56-00-810-801).
 B. Do the test given in Para. 3.A.
 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 R EFF : 001-049, 101-149, 151-199, 201-299, ∞∞25-35-00∞∞∞∞∞∞∞∞∞∞Page 202
 301-399, 401-499, Aug 01/05 CES

R **ON A/C ALL

 TASK 25-35-00-810-804
 Oven does not operate
 1. Possible Causes
_______________
 - oven

 - wiring

 - electrical connector of the oven

 - related CB