TASK 33-26-00-810-803

 Lavatory Signs - The Toilet Occupied Symbol in the Cockpit (48VU) does not come on
 1. Possible Causes
_______________
 - LIGHT-OCCUPIED (6WJ)

 - LAMP

 - RELAY-OCCUPIED (18LP)

 - WIRING

 - CB (1WJ)

 - SWITCH-LAVATORY OCCUPIED (2WJ)

 - RELAY-OCCUPIED (18LP),

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-26-00-710-001 Operational Test of the Lavatory Lighted Signs WJ
 ASM 33-26/01
 3. Fault Confirmation
__________________
 A. Do the operational test of the Lavatory Lighted Signs (Ref. AMM TASK 33-26-00-710-001).
 4. Fault Isolation
_______________
 A. If the test shows that the LIGHT-OCCUPIED (6WJ) does not come on:
 NOTE : Be sure that the FWD lavtory door is closed and engaged.
____
 - do a check for 28 VDC at the lamps (Ref. ASM 33-26/01).
 (1) If there is 28 VDC:

 - replace the LAMP

 (2) If there is no 28 VDC:

 - replace the RELAY-OCCUPIED (18LP)
 (a) If the fault continues:
 - do a check and repair the WIRING between:
 CB (1WJ) and SWITCH-LAVATORY OCCUPIED (2WJ)pin C, SWITCH-LAVATORY OCCUPIED (2WJ) pin NO and RELAY-OCCUPIED (18LP) pin 21
 「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 ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 207
 Feb 01/98 CES

 RELAY-OCCUPIED (18LP), pin 45 and ground,
 RELAY-OCCUPIED (18LP), pin 10 and LIGHT-OCCUPIED (6WJ) pin 7,
 (Ref. ASM 33-26/01)

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

 LAVATORY LIGHTED SIGNS - TASK SUPPORTING DATA
_____________________________________________
 1. General
_______
 **ON A/C 001-049, 051-099, 101-105, 201-210,

 (Ref. Fig. 301)
 **ON A/C 106-149, 151-199, 211-299,

 (Ref. Fig. 301A)
 **ON A/C 301-399,

 (Ref. Fig. 301B) R **ON A/C 401-499,
R (Ref. Fig. 301C) **ON A/C ALL
 The lavatory occupied-signs show the position of the lavatories and if they are occupied or not.

 Block Diagram - Lavatory Lighted Signs Figure 301 (SHEET 1)
 「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 : 001-049, 051-099, 101-105, 201-210, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 302
 May 01/05 CES

 Block Diagram - Lavatory Lighted Signs Figure 301 (SHEET 2)
 「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 : 001-049, 051-099, 101-105, 201-210, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 303
 May 01/05 CES

 Block Diagram - Lavatory Lighted Signs
 Figure 301A (SHEET 1)

 「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 : 106-149, 151-199, 211-299, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 304
 May 01/05 CES

 Block Diagram - Lavatory Lighted Signs
 Figure 301A (SHEET 2)

 「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 : 106-149, 151-199, 211-299, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 305
 May 01/05 CESR Block Diagram - Lavatory Lighted Signs R Figure 301B (SHEET 1)

 「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 : 301-399, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 306
 Aug 01/04 CESR Block Diagram - Lavatory Lighted Signs R Figure 301B (SHEET 2)

 「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 : 301-399, ∞∞33-26-00∞∞∞∞∞∞∞∞∞∞Page 307
　
中國(guó)航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) LIGHTS 燈光(48)