Outflow Valve Electronic Module 2 Fault (07), (31), (64), (65), (66), (67), (72), (76), (83), (87), (93)

TASK 21-31-00-810-834-A
Outflow Valve Electronic Module 2 Fault (07), (31), (64), (65), (66), (67), (72), (76), (83), (87), (93)

1. Possible Causes

VALVE-OUTFLOW (10HL), ELECTRONIC MODULE 2

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 21-31-00-710-002	Operational Test of the Pressure Control and Monitoring
AMM 21-31-51-000-002	Removal of the Outflow Valve (10HL) - Electronics Module 10HL-1 (10HL-2)
AMM 21-31-51-400-002	Installation of the Outflow Valve (10HL) - Electronics Module 10HL-1 (10HL-2)

3. Fault Confirmation
Subtask 21-31-00-710-116-A

A. Test
(1) Do the operational test of the pressure control and monitoring system AMM 21-31-00-710-002.

4. Fault Isolation
Subtask 21-31-00-810-185-A

A. If one or both of the reports, LAST LEG REPORT, PREVIOUS LEG REPORT, and/or the test gives one of the maintenance messages which follow,
OUTFLOW VALVE ELEC 2 (07),
OUTFLOW VALVE ELEC 2 (64),
OUTFLOW VALVE ELEC 2 (65),
OUTFLOW VALVE ELEC 2 (66),
OUTFLOW VALVE ELEC 2 (67),
OUTFLOW VALVE ELEC 2 (72),
OUTFLOW VALVE ELEC 2 (76),
OUTFLOW VALVE ELEC 2 (83),
OUTFLOW VALVE ELEC 2 (87),
OUTFLOW VALVE ELEC 2 (93) or
OUTFLOW VALVE (31) source CPC2:

replace the VALVE-OUTFLOW (10HL), ELECTRONIC MODULE 2 (referred to as OFV (10HL)) AMM 21-31-51-000-002 and AMM 21-31-51-400-002.

NOTE: The electronic module 2 is connected to the electrical connector 10HL-B.

Subtask 21-31-00-710-117-A

B. Do the test as given in the Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:24:43 UTC