W DOC AIRBUS | TSM A320F

Emergency Ram Air Inlet does not close in Ditching Configuration

TASK 21-55-00-810-802-A
Emergency Ram Air Inlet does not close in Ditching Configuration

1. Possible Causes
  • RELAY-RAM AIR CLOSE CTL [3HZ]
  • DITCHING pushbutton switch (13HL)
  • wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TSM TASK 21-55-00-810-801-A
Emergency Ram Air Inlet Fault
AMM 21-55-00-710-002
Operational Test of Emergency Ram-Air Inlet and Flow Control Valve Closing in Ditching Configuration
ASM 215501
3. Fault Confirmation
Subtask 21-55-00-710-052-A
A. Do the operational test of the emergency ram air inlet system-closing in ditching configuration AMM 21-55-00-710-002.
4. Fault Isolation
Subtask 21-55-00-810-052-A
A. If during the test on the lower ECAM display the ram air symbol is replaced by an amber XX:
Subtask 21-55-00-810-051-A
B. If during the test the emergency ram air inlet does not close in ditching configuration:
  • replace the RELAY-RAM AIR CLOSE CTL [3HZ] .
   (1) If the fault continues:
  • replace the DITCHING pushbutton switch (13HL).
   (2) If the fault continues:
  • do a check and repair the wiring from the DITCHING pushbutton switch (13HL) to the circuit breaker (1HZ), via the the relay (3HZ) ASM 215501.
Subtask 21-55-00-710-053-A
C. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:24:49 UTC
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