Operational Test to Read the CLASS 3 FAULTS

TASK 30-31-00-710-002-A
Operational Test to Read the CLASS 3 FAULTS

1. Reason for the Job
Read the CLASS 3 FAULTS
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-32-00-860-007-A	Procedure to Get Access to the SYSTEM REPORT/TEST/ICE & RAIN Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 34-10-00-860-002-A	ADIRS Start Procedure
TASK 34-10-00-860-005-A	ADIRS Stop Procedure

3. Job Set-up
Subtask 30-31-00-861-053-A

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 30-31-00-941-051-A

B. Aircraft Maintenance Configuration
(1) On the panel 25VU:

Make sure that the PROBE/WINDOW HEAT pushbutton switch is released (the ON legend is off).

(2) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001)
(3) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002)
(4) On one MCDU get the SYSTEM REPORT/TEST ICE & RAIN page (Ref. AMM TASK 31-32-00-860-007).

Subtask 30-31-00-865-055-A

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	ANTI ICE/PROBES/AOA/1	4DA1	D04
49VU	ANTI ICE/PROBES/PHC/1	2DA1	D03
49VU	ANTI ICE/PROBES/PITOT/1	3DA1	D02
122VU	ANTI ICE/PROBES/PHC/3	2DA3	Y16
122VU	ANTI ICE/PROBES/2/TAT	1DA2	Y15
122VU	ANTI ICE/PROBES/2/PITOT	3DA2	Y14
122VU	ANTI ICE/PROBES/2/AOA	4DA2	Y13
122VU	ANTI ICE/PROBES/PHC/2	2DA2	Y12
122VU	ANTI ICE/PROBES/2/STATIC	5DA2	Y11
122VU	ANTI ICE/PROBES/3/PITOT	3DA3	Z16
122VU	ANTI ICE/PROBES/3/AOA	4DA3	Z15
122VU	ANTI ICE/PROBES/3/STATIC	5DA3	Z14
122VU	ANTI ICE/PROBES/1/STATIC	5DA1	Z13
122VU	ANTI ICE/PROBES/1/TAT	1DA1	Z12

4. Procedure
Subtask 30-31-00-710-051-A

A. Operational Test to Read the CLASS 3 FAULTS

ACTION	RESULT
On the MCDU: push the line key adjacent to the PROBES HEAT COMPTR 1(2)(3) indication	the PROBE HEAT COMPTR 1(2)(3) page comes into view
push the line key adjacent to the CLASS 3 FAULTS indication.	the NO FAULT indication comes into view
push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.

5. Close-up
Subtask 30-31-00-942-051-A

A. Put the aircraft back to its initial configuration.
(1) Do the ADIRS stop procedure (Ref. AMM TASK 34-10-00-860-005).

Subtask 30-31-00-862-053-A

B. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:30:46 UTC