-------------------------------------------------------------------------------
ACTION  RESULT
 -------------------------------------------------------------------------------
R  - the MASTER CAUT lights come on, 
R  - a single chime is heard. 
R  On the overhead panel 25VU: 
R  - the FAULT legend in the pushbutton 
R  APU MASTER SW comes on. 
R  On the FUEL page of the ECAM lower 
R  display unit: 
R  - the APU LP fuel-valve symbol is shown 
R  in the closed position. 
R  7. On the APU FIRE panel 20VU:  On the APU FIRE panel 20VU: 
R  - push the APU FIRE pushbutton  - the SQUIB legend in the AGENT 
R  switch and close the guard.  pushbutton switch goes off. 
R  NOTE : Make sure that the APU FIRE pushbutton switch is in its latched____ 
R  position before you close the guard. 

R  On the ECAM upper display unit: 
R  - the warning, 
R  APU EMER SHUT DOWN 
R  MASTER SW .... OFF 
R  goes off. 
R  On the overhead panel 25VU: 
R  - the FAULT legend in the APU MASTER SW 
R  pushbutton switch goes off. 
R  On the glareshield panels 130VU and 
R  131VU: 
R  - the MASTER CAUT lights go off. 
R  8. On the overhead panel 25VU:  On the overhead panel 25VU: 
R  - release the APU MASTER SW  - the ON legend in the APU MASTER SW 
R  pushbutton switch.  pushbutton switch goes off. 
R  9. On the circuit breaker panel 
R  121VU: 
R  - close the circuit breaker 
R  APU/FIRE/LP VALVE/STBY 3WF, 
R  - open the circuit breaker 
R  APU/FIRE/LP VALVE/NORM 4WF.

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R 10. On the overhead panel 25VU:
R - push the APU MASTER SW
R pushbutton switch.

R 11. On the ECAM control panel:
R - push the FUEL pushbutton
R switch.
R

R 12. On the APU FIRE panel 20VU:
R - lift the guard and release the
R APU FIRE pushbutton switch.

R
R
R
R
R

R
R
R
R

R
R
R

R
R
R
R

R 13. On the APU FIRE panel 20VU:
R - push the APU FIRE pushbutton
R switch and close the guard.

On the overhead panel 25VU:
-
the ON legend in the APU MASTER SW pushbutton switch comes on.

On the ECAM lower display unit:

-
the FUEL system page comes into view,

-
the APU LP fuel-valve symbol is shown in the open position.

On the APU FIRE panel 20VU:

-
the SQUIB legend in the AGENT pushbutton switch comes on.

On the ECAM upper display unit:

-
the warning, APU EMER SHUT DOWN MASTER SW .... OFF comes on.

On the glareshield panels 130VU and 131VU:

-
the MASTER CAUT lights come on,

-a single chime is heard.
On the overhead panel 25VU:
-
the FAULT legend in the pushbutton APU MASTER SW comes on.

On the FUEL page of the ECAM lower display unit:

-
the APU LP fuel-valve symbol is shown in the closed position.

On the APU FIRE panel 20VU:

-
the SQUIB legend in the AGENT pushbutton switch goes off.

R NOTE : Make sure that the APU FIRE pushbutton switch is in its latched
____ R position before you close the guard.
R On the ECAM upper display unit:
R - the warning,
R APU EMER SHUT DOWN
R MASTER SW .... OFF

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R  goes off. 
R  On the overhead panel 25VU: 
R  - the FAULT legend in the APU MASTER SW 
R  pushbutton switch goes off. 
R  On the glareshield panels 130VU and 
R  131VU: 
R  - the MASTER CAUT lights go off. 
R  14. On the overhead panel 25VU:  On the overhead panel 25VU: 
R  - release the APU MASTER SW  - the ON legend in the APU MASTER SW 
　
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