R R (b) Or replace the ENG 2/AGENT 2 pushbutton switch that has LEDs (Ref. ESPM 20-45-11).
R (c) If the fault continues: - do a check and repair the wiring of the 5VAC signal at the ENG 2/AGENT 2 pushbutton switch from the ENG/APU FIRE panel (1WD) pin C/C to the first terminal block (Ref. ASM 26-21/01).
(2) If the SQUIB and DISCH legends come on: - do a check and repair the wiring of the ground signal at the ENG 2/AGENT 2 pushbutton switch on the ENG/APU FIRE panel (1WD) pin C/D (Ref. ASM 26-21/01).
B. Do the test given in Para. 3.
5. Close-up________
A. Put the aircraft back to its initial configuration.
(1) On the panel 25VU, set the ANN LT switch to BRT.
The DISCH Legend of the ENG 1/AGENT 1 Pushbutton Switch does not Come on
1. Possible Causes
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- ENG/APU FIRE PNL (1WD)
- lamp of the DISCH legend of the ENG 1/AGENT 1 pushbutton switch
- ENG 1/AGENT 1 pushbutton switch
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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ESPM 20-45-11
R AMM 26-12-00-710-001 Operational Check of Loop/Squib AMM 26-12-12-000-001 Removal of the ENG/APU Fire Panel (1WD) AMM 26-12-12-400-001 Installation of the ENG/APU Fire Panel (1WD)
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
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PANEL DESIGNATION IDENT. LOCATION
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122VU LIGHTING/TST/BOARD/SPLY 30LP X06
B. Test
(1) Do the operational test of the engine fire and overheat detection (loop/squib) (Ref. AMM TASK 26-12-00-710-001).
4. Fault Isolation
_______________
A. If the DISCH legend of the ENG 1/AGENT 1 pushbutton switch does not come on during the fire test: - on the panel 25VU, set the ANN LT switch to TEST, and do a check to see
if the DISCH legend of the ENG 1/AGENT 1 pushbutton switch comes on.
(1) If the DISCH legend does not come on:
(a) Replace the lamp of the DISCH legend of the ENG 1/AGENT 1 pushbutton switch.
- If the fault continues: replace the ENG 1/AGENT 1 pushbutton switch.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞26-21-00∞∞∞∞∞∞∞∞∞∞Page 223
May 01/04 CES
R R (b) Or replace the ENG 1/AGENT 1 pushbutton switch that has LEDs (Ref. ESPM 20-45-11).
(2) If the DISCH legend comes on: - replace the ENG/APU FIRE PNL (1WD) (Ref. AMM TASK 26-12-12-000-001) and (Ref. AMM TASK 26-12-12-400-001).
B. Do the test given in Para. 3.
5. Close-up________
A. Put the aircraft back to its initial configuration.
(1) On the panel 25VU, set the ANN LT switch to BRT.
The DISCH Legend of the ENG 1/AGENT 2 Pushbutton Switch does not Come on
1. Possible Causes
_______________
- ENG/APU FIRE PNL (1WD)
- lamp of the DISCH legend of the ENG 1/AGENT 2 pushbutton switch 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 FIRE PROTECTION 防火(102)
