In the vacuum system:
-
the vacuum blower does not operate.
-
the flush valve operates and 0.2 l
(0.05 USgal) of water flows into thetoilet bowl.
NOTE : At the end of each flush cycle
____ the status of the toilet is updated. The NO FAULT light will stay on if no faults are found during this cycle.
On the FCU tester IIA:
-
the NO FAULT light goes off.
-
the NO POWER to FCU or DISABLE light is on.
NOTE : If necessary you can cancel a
____ flush cycle when you push the RESET pushbutton.
NOTE : During the complete test:
____
-
the TOILET INOP light on the Flight Attendant Panel (FAP) is on.
-
the Vacuum System Controller (VSC) receives no data that the FCU is powered, this is normal and should be ignored,
-
the VSC has no effect on the toilet operation, but will still control the vacuum blower.
-
the faults shown are not stored in the VSC Electrically Erasable Programmable Read Only Memory (EEPROM).
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------NOTE : The FCU tester IIA is defective
____ if:
-two or more red lights are ON,
-the NO FAULT light and also one of the red lights are ON.
R **ON A/C 106-149, 301-399, 401-499,
Subtask 38-31-00-720-050-A
A. Do this Test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the FCU tester IIA: On the FCU tester IIA:
- put the power switch to the POWER position. - the green light INPUT POWER comes on.- the NO FAULT light comes on and stays
on.
NOTE : If the NO FAULT light goes off____ after a few seconds (then there is a fault in the system) and one of the subsequent lights will come on:
- the open position limit switch, - the close position limit switch, - the rinse water solenoid, - the FCU internal faults, - the flush valve motor, - the no power to FCU or disabled.
2. On the FCU tester IIA: On the FCU tester IIA:
- push the flush pushbutton. - the FLUSH CYCLE light comes ON.
In the vacuum system: - the vacuum blower operates for 15 s. - the toilet flush cycle functions and the toilet flushes.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
3. On the FCU tester:
-turn the blower switch to the BLOWER OFF position.
-push and hold the flush pushbutton.
4. On the FCU tester IIA:
-release the blower switch to the NORMAL position.
5. On the FCU tester IIA:
-put the ENABLE/DISABLE switch to the DISABLE position.
In the vacuum system:
-
the vacuum blower does not operate.
-
the flush valve operates and 0.2 l
(0.05 USgal) of water flows into thetoilet bowl.
NOTE : At the end of each flush cycle
____ the status of the toilet is updated. The NO FAULT light will stay on if no faults are found during this cycle.
On the FCU tester IIA:
-
the NO FAULT light goes off.
-
the NO POWER to FCU or DISABLE light is on.
NOTE : If necessary you can cancel a
____ flush cycle when you push the RESET pushbutton.
NOTE : During the complete test:
____
-
the VACUUM SYSTEM DISABLED message on the WATER/WASTE page on the Flight Attendant Panel (FAP) is shown.
-
the DUE B receives no data that the FCU is powered, this is normal and should be ignored,
NOTE : The FCU tester IIA is defective
____ if:
-two or more red lights are ON,
-the NO FAULT light and also one of the red lights are ON.
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5. Close-up
________ Subtask 38-31-00-410-067
A. Close Access
(1)
Disconnect the electrical connector 50MG-A, 50MG1-A, 50MG2-A 50MG3-A or 50MG4-A from the FCU tester IIA.
(2)
Disconnect the electrical connector of the FCU tester IIA from the FCU.
(3)
Remove the FCU tester IIA.
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本文链接地址：A320飞机维护手册 AMM WATER/WASTE 2(21)
