R R (b) Or replace the ENG 1/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 1/AGENT 2 pushbutton switch from the ENG/APU FIRE panel (1WD) pin B/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 1/AGENT 2 pushbutton switch on the ENG/APU FIRE panel pin B/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 SQUIB and DISCH Legends of the ENG 2/AGENT 1 Pushbutton Switch do not Come
on
1. Possible Causes
_______________
- lamps of the ENG 2/AGENT 1 pushbutton switch
- ENG 2/AGENT 1 pushbutton switch
- wiring of the 5VAC signal at the ENG 2/AGENT 1 pushbutton switch
- wiring of the ground signal at the ENG 2/AGENT 1 pushbutton switch
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
ESPM 20-45-11
R AMM 26-12-00-710-001 Operational Check of Loop/Squib ASM 26-21/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
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 SQUIB and DISCH legends of the ENG 2/AGENT 1 pushbutton switch do 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 SQUIB and DISCH legends come on.
(1) If the SQUIB and DISCH legends do not come on:
(a) Replace the lamps of the ENG 2/AGENT 1 pushbutton switch.
- If the fault continues: replace the ENG 2/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 219
May 01/04 CES
R R (b) Or replace the ENG 2/AGENT 1 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 1 pushbutton switch from the ENG/APU FIRE panel (1WD) pin D/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 1 pushbutton switch on the ENG/APU FIRE panel (1WD) pin D/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 SQUIB and DISCH Legends of the ENG 2/AGENT 2 Pushbutton Switch do not Come
on
1. Possible Causes
_______________
- lamps of the ENG 2/AGENT 2 pushbutton switch
- ENG 2/AGENT 2 pushbutton switch
- wiring of the 5VAC signal at the ENG 2/AGENT 2 pushbutton switch
- wiring of the ground signal at the ENG 2/AGENT 2 pushbutton switch
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
ESPM 20-45-11
R AMM 26-12-00-710-001 Operational Check of Loop/Squib ASM 26-21/01
3. Fault Confirmation
__________________
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本文链接地址：A320 Trouble Shooting Manual 排故手册 FIRE PROTECTION 防火(101)
