Wrong Message from LLT

TASK 38-31-00-810-853-A
Wrong Message from LLT

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 38-31-00-710-009	Operational Test of the Toilet Unit
AMM 38-31-00-740-001	BITE Test of the Vacuum Toilet System
AMM 38-31-62-000-001	Removal of the Liquid Level Transmitter
AMM 38-31-62-400-001	Installation of the Liquid Level Transmitter

3. Fault Confirmation
Subtask 38-31-00-710-152-A ** ON A/C NOT FOR ALL

A. Do a test of the vacuum toilet system AMM 38-31-00-710-009.

Subtask 38-31-00-740-084-A ** ON A/C NOT FOR ALL

B. Do the procedure to get access to the CFDS SYSTEM REPORT/TEST menu PAGE AMM 38-31-00-740-001.

4. Fault Isolation
Subtask 38-31-00-810-155-A ** ON A/C NOT FOR ALL

A. If the MCDU gives the maintenance message LIQD LVL XMTR (40MG)
and
the FAP BLUE CARD shows NO WASTE QUANTITY DATA AVAILABLE:

(1) If the messages do no longer show, then the system is ok.
(2) If the fault continues:

Subtask 38-31-00-710-153-A ** ON A/C NOT FOR ALL

B. Test
(1) Do the test as given in paragraph 3. A. to check the correct operation of the system.

[Rev.8 from Aug 2018] 2026.04.04 04:40:34 UTC