Operational Test of the Ice Detection System

TASK 30-81-00-710-001-A
Operational Test of the Ice Detection System

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)

B. 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

3. Job Set-up
Subtask 30-81-00-861-050-A ** ON A/C NOT FOR ALL

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

Subtask 30-81-00-941-051-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Safety Precautions

put a WARNING NOTICE(S) in position on the ice detector 2DD1 (2DD2) area to tell persons not to touch the ice detectors (no object must touch the ice detectors).

(2) On the MCDU 1 or 2, get the SYSTEM REPORT/TEST ICE & RAIN page (Ref. AMM TASK 31-32-00-860-007).

Subtask 30-81-00-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	ANTI ICE/ICE DET/R	4DD2	V13
122VU	ANTI ICE/ICE DET/L	4DD1	V12

4. Procedure
Subtask 30-81-00-710-050-A ** ON A/C NOT FOR ALL

A. Operational Test of the Ice Detection System

ACTION	RESULT
1.On one MCDU: push the line key adjacent to the ICE DET 1(2) indication	the ICE DETECTOR 1(2) page comes into view
push the line key adjacent to the TEST indication	after some seconds, the TEST OK indication comes into view.

5. Close-up
Subtask 30-81-00-942-050-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Remove the WARNING NOTICE(S).
(2) On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

Subtask 30-81-00-862-050-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.01 00:33:04 UTC