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 DOOR/OXY Page
 Figure 502/TASK 52-71-00-991-001
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- open the circuit breakers 15WN and 2WW. 
 3. On the circuit breaker panel 121VU: - close the circuit breakers 2WV and 2WW. On the circuit breaker panel 49VU: - open the circuit breakers 3WV and 3WW. 
R R  4. Open the four doors of the avionics compartment.  
5. Open the two cargo compartment doors (Ref. TASK 52-30-00-860-001).  
6. Open the bulk cargo-compartment door.  
R R R R  7. Open the four passenger/crew doors and the four flaps that give access to the control handles of the emergency exits.  
R  8. On the circuit breaker panel 121VU: - close the circuit breaker 15WN. - open the circuit breaker 13WN.
No change.
On the lower ECAM display unit, on theDOOR/OXY page: 
-
the symbols of the four doors of the avionics compartment and the AVIONIC message come into view in amber.
On the lower ECAM display unit, on theDOOR/OXY page:
-
the symbols of the two cargo compartment doors and the CARGO message come into view in amber.
On the lower ECAM display unit, on theDOOR/OXY page:
 -
the symbols for the bulk cargo-compartment door and the BULK message come into view in amber.
On the lower ECAM display unit, on the DOOR/OXY page:
-
the symbols of the four passenger/crew doors and the four emergency exits become amber. The CABIN and EMER EXIT messages come into view in amber.
No change.
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9. Close the four passenger/crew doors and the four flaps that give access to the control handles of the emergency exits.  
R R R  10. Close the four avionics compartment doors, the two cargo compartment doors (Ref. TASK 52-30-00-860-002) and the bulk cargo-compartment door.  
11. On the circuit breaker panel 121VU: - close the circuit breaker 13WN. 
 12. On the circuit breaker panel 49VU: - close the circuit breakers 3WW and 3WV.  
R  **ON A/C 151-199, 401-499, 
 Subtask 52-71-00-710-050-B 
 A. Test of the Door Warning System
On the lower ECAM display unit, on theDOOR/OXY page:
-
the symbols of the fourpassenger/crew doors and the four emergency exits become green.
 -
the CABIN and EMER EXIT messages go out of view.
On the lower ECAM display unit, on theDOOR/OXY page:
-
the symbols of the four avionicscompartment doors, the two cargo compartment doors and the bulk cargo-compartment door become green.
The AVIONIC, CARGO and BULK messages go out of view.
 (Ref. Fig. 502A/TASK 52-71-00-991-001-B)
 (Ref. TASK 52-30-00-860-001) (Ref. TASK 52-30-00-860-002).
WARNING : INSTALL A SAFETY BARRIER WHEN YOU OPEN A DOOR IF THE ACCESS
_______ PLATFORM IS NOT USED.
 WARNING : DO NOT OPEN THE DOOR DURING THE ADJUSTMENT.
_______ 
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 DOOR/OXY Page Figure 502A/TASK 52-71-00-991-001-B 
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