W DOC AIRBUS | AMM A320F

Operational Test of the Steam Oven

TASK 25-35-00-710-016-A
Operational Test of the Steam Oven

ZONE: 200
1. Reason for the Job
Self Explanatory
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
200
UPPER HALF FUSELAGE
 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 38-10-00-614-001-A
Pressurization of the Potable Water System from a Ground Air Supply
TASK 38-10-00-614-002-A
Depressurization of the Potable Water System
3. Job Set-up
Subtask 25-35-00-861-065-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 25-35-00-865-088-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
122VUELEC/GALLEY/CNTOR7MCS28
122VUELEC/GALY & CAB/CTL1XAS26
123VUFWD GALLEY/FEEDER F16MCAC10
123VUAFT GALLEY/FEEDER E14MCAF09
** ON A/C NOT FOR ALL
123VUFWD GALLEY/FEEDER D2MCAE02
123VUAFT GALLEY/FEEDER A3MCAF04
Subtask 25-35-00-860-065-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) In the cockpit, on the overhead panel, on the ELEC section of panel 35VU, make sure that the GALLEY or GALY & CAB pushbutton switch (2XA) is pushed (the OFF legend is off).
   (2) On the galley control panel, make sure that the related circuit breaker(s) of the steam oven is (are) closed.
   (3) Pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001).
4. Procedure
Subtask 25-35-00-710-067-P ** ON A/C NOT FOR ALL
WARNING: DO NOT TOUCH THE UNIT UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING: BE CAREFUL WHEN YOU OPERATE GALLEY EQUIPMENT WITH HOT WATER OR STEAM. HOT WATER AND STEAM ARE DANGEROUS AND CAN BURN YOU.
WARNING: BEFORE YOU OPERATE THIS UNIT, MAKE SURE THAT THE BAFFLE PLATE IS CORRECTLY INSTALLED. IF IT IS NOT CORRECTLY INSTALLED, THE ROTATING FAN CAN CAUSE INJURY TO PERSONS.
CAUTION: DO NOT OPERATE THE OVEN WHEN IT IS EMPTY. THIS CAN CAUSE DAMAGE TO THE EQUIPMENT.
A. Operational Test of the Steam Oven
(1) Make sure that the door of the steam oven is closed and in the locked position.
NOTE: If the door is not correctly closed, the display shows the "Close the Door" message.
NOTE: If the master switch is not installed on the galley control panel, the steam oven starts a power-up test automatically.
ACTION
RESULT
1.On the galley control panel:
  • If the master switch is installed, set it to the ON position.
On the steam oven:
  • The steam oven starts a power-up test.
On the steam oven control-module:
  • The display comes on and shows the software versions.
  • The Ready indicator light comes on and flashes for some time and then goes off.
  • After the power-up test, the ON/OFF indicator light comes on and flashes.
  • The display goes off.
On the steam oven:
  • The steam oven is energized in the off mode.
2.On the steam oven control-module:
  • Push the ON/OFF pushbutton switch.
On the steam oven control-module:
  • The display comes on and shows the airline logo, the software versions and the oven type.
  • The steam oven control-module starts a self-test.
On the steam oven:
  • After the self-test, the steam oven changes to the standby mode.
3.On the steam oven control-module:
  • Push the TIME MENU pushbutton switch (the up arrow).
On the display:
  • The display shows the standard programs.
  • Push the related TIME MENU pushbutton switch(es) and select the "Medium Steam" program.
  • The "Medium Steam" program is set.
4.On the steam oven control-module:
  • Push the START/PAUSE pushbutton switch.
On the steam oven:
  • The steam oven starts to operate.
On the steam oven control-module:
  • The program with the countdown starts.
  • The ON/OFF indicator light stays on.
  • The START/PAUSE indicator light comes on.
  • Push the TIME MENU pushbutton switch (the down arrow) and adjust the program time.
  • The display shows the adjusted program time.

  • When the program is completed, the Ready indicator light comes on and flashes.
  • The START/PAUSE indicator light goes off.
  • The display shows the "Program Ready" message.
5.On the steam oven control-module:
  • Push the CLEAR/STOP pushbutton switch.
On the display:
  • The "Program Ready" message goes off.
On the steam oven control-module:
  • The ON/OFF indicator light flashes.
On the steam oven:
  • The steam oven changes to the standby mode.
6.On the steam oven control-module:
  • Push the ON/OFF pushbutton switch.
On the steam oven control-module:
  • The display goes off.
On the steam oven:
  • The steam oven changes to the off mode.
7.On the galley control panel:
  • If the master switch is installed, set it to the OFF position.
On the steam oven control-module:
  • The ON/OFF indicator light goes off.
On the steam oven:
  • The steam oven is de-energized.
Subtask 25-35-00-860-085-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Put the related circuit breaker(s) and switch(es) back to their initial configuration.
   (2) If necessary, depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).
   (3) Make sure that the steam oven is in its initial configuration.
   (4) Make sure that the work area is clean and clear of tools and other items.
5. Close-up
Subtask 25-35-00-410-065-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Put the related circuit breakers(s) and switch(es) to their initial configuration.
   (2) Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).
   (3) Make sure that the steam oven is in its initial configuration.
   (4) Make sure that the work area is clean and clear of tools and other items.
Subtask 25-35-00-862-076-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] 2026.03.31 23:34:17 UTC
"Aviabrain" 2025