W DOC AIRBUS | AMM A320F

Reset of the N1,N2 and EGT Max Pointers [CFMI]

TASK 77-00-00-710-040-A
Reset of the N1,N2 and EGT Max Pointers

1. Reason for the Job
With this procedure you can reset the N1, N2 and EGT max pointers if these values increased above an operational limit. This reset also occurs automatically at the subsequent engine start.
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 31-32-00-860-001-A
Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
F MCDU Display
3. Job Set-up
Subtask 77-00-00-861-051-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 77-00-00-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUEIS/PFD CAPT/SPLY11WT1E03
** ON A/C NOT FOR ALL
49VUEIS/ECAM/CTL/PNL15WTE12
49VUEIS/DMC1/SPLY10WT1E11
49VUEIS/DMC3/STBY/SPLY14WT1E10
49VUEIS/DMC1/SWTG21WT1E09
49VUEIS/DMC3/SWTG21WT3E07
49VUEIS/ECAM DU/UPPER/SWTG24WT1E06
49VUEIS/ECAM DU/UPPER/SPLY13WT1E05
49VUEIS/PFD CAPT/SWTG22WT1E04
49VUEIS/ND CAPT/SWTG23WT1E02
49VUEIS/ND CAPT/SPLY12WT1E01
** ON A/C NOT FOR ALL
49VUEIS/PFD/CAPT/SPLY11WT1E03
** ON A/C NOT FOR ALL
121VUEIS/DMC3/SPLY10WT3Q09
121VUEIS/DMC2/SPLY10WT2Q08
121VUEIS/ECAM DU/LOWER/SPLY13WT2R11
121VUEIS/ECAM DU/LOWER/SWTG24WT2R10
121VUEIS/DMC2/SWTG21WT2R08
121VUEIS/ND/F/O/SWTG23WT2R06
121VUEIS/PFD/F/O/SWTG22WT2R05
121VUEIS/ND/F/O12WT2R04
121VUEIS/PFD/F/O11WT2R03
Subtask 77-00-00-860-054-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Do the EIS start procedure (Upper and Lower ECAM DUs only) (Ref. AMM TASK 31-60-00-860-001).
   (2) On the left or right MCDU get the SYSTEM REPORT TEST page (Ref. AMM TASK 31-32-00-860-001).
4. Procedure
Subtask 77-00-00-710-051-A ** ON A/C NOT FOR ALL
A. Do This Test:
ACTION
RESULT
1.Push the line key adjacent to INST
The INST menu comes into view
2.Push the line key adjacent to EIS1
  • EIS (DMC1) page shows.
  • ON PFD, ND CAPT side and upper ECAM display unit MAINTENANCE MODE shows.
  • Master caution shows.
  • Ignore the ECAM warnings.
3.Push the line key adjacent to ENGINES
The EIS (DMC1) ENGINE OVER SPD/TEMP comes into view.
4.Push the line key adjacent to GENERAL RESET
The overlimit red indexes are reset.
5.Push the line key adjacent to RETURN until the INST menu comes into view.
The INST menu comes into view.
6.Push the line key adjacent to EIS2
  • EIS (DMC2) page shows.
  • On PFD, ND ON F/O side and lower ECAM display unit MAINTENANCE MODE.
  • Master CAUTION shows.
  • Ignore the ECAM warnings.
7.Push the line key adjacent to ENGINE
The EIS (DMC2) ENGINE OVER SPD/TEMP comes into view.
8.Push the line key adjacent to the GENERAL RESET
The overlimit red indexes are reset.
9.Push the line key adjacent to RETURN until the INST MENU comes into view.
The INST MENU comes into view.
10.On the center pedestal on the switching panel 8VU set the selector switch (EIS DMC) to CAPT 3 position.

11.Push the line key adjacent to EIS3
  • EIS (DMC3) page shows.
  • ON PFD, ND CAPT side and upper ECAM display unit MAINTENANCE MODE shows.
  • MASTER CAUTION shows.
  • Ignore the ECAM warnings.
12.Push the line key adjacent to ENGINE
The EIS (DMC3) ENGINE OVER SPD/TEMP shows.
13.Push the line key adjacent to GENERAL RESET
The overlimit red indexes are reset.
14.Push the line key adjacent to RETURN until the CFDS MENU comes into view.
The CFDS MENU shows.
15.Stop the MCDU

16.On the center pedestal on the switching panel 8VU set the selector switch (EIS DMC) to NORM position.

5. Close-up
Subtask 77-00-00-860-055-A ** ON A/C NOT FOR ALL
A. Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
Subtask 77-00-00-862-051-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 12:58:33 UTC
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