ENG Page not automatically displayed on the lower ECAM DU during Engine start or Engine crank sequence

TASK 31-63-82-810-863-A
ENG Page not automatically displayed on the lower ECAM DU during Engine start or Engine crank sequence

1. Possible Causes

DMC-2 [1WT2]
FWC-1 [1WW1]
FWC-2 [1WW2]
DMC-1 [1WT1]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 71-00-00-810-831-A	ENG page not automatically displayed on the lower ECAM unit during engine start or engine crank sequence
AMM 31-53-34-000-001	Removal of the Flight Warning Computer (FWC)
AMM 31-53-34-400-001	Installation of the Flight Warning Computer (FWC)
AMM 31-63-34-000-001	Removal of the DMC
AMM 31-63-34-400-001	Installation of the DMC

3. Fault Confirmation
Subtask 31-63-82-710-058-A ** ON A/C NOT FOR ALL

A. Not applicable, the fault is evident.

4. Fault Isolation
Subtask 31-63-82-810-156-A ** ON A/C NOT FOR ALL

A. Do the procedure as follows:
(1) On the ECAM control panel, make sure that no system key (ENG, BLEED, PRESS, FUEL, APU,etc...) is lighted.
(2) If yes, release the related key.
(3) If the fault continues:

set the the EIS DMC selector switch (18WT) on the panel 8VU from NORM position to F/O/3 position.

(a) If the fault stops:

replace the DMC-2 [1WT2] AMM 31-63-34-000-001 and AMM 31-63-34-400-001.

(b) If the fault continues:

open, safety and tag the circuit breaker (3WW).
remove the FWC1 AMM 31-53-34-000-001.

1 If the fault stops:

install a new FWC-1 [1WW1] AMM 31-53-34-400-001.

2 If the fault continues:

install the FWC1 AMM 31-53-34-400-001.
close the circuit breaker (3WW).
open, safety and tag the circuit breaker (2WW).
remove the FWC2 AMM 31-53-34-000-001.

a If the fault stops:

install a new FWC-2 [1WW2] AMM 31-53-34-400-001.
close the circuit breaker (2WW).

b If the fault continues:

do the trouble shooting procedure (Ref. TSM TASK 71-00-00-810-831).

Subtask 31-63-82-810-156-D ** ON A/C NOT FOR ALL

set the the EIS DMC selector switch (18WT) on the panel 8VU from NORM position to CAPT/3 position.