Outflow Valve Electronic Module 2 Fault (68)

TASK 21-31-00-810-849-A
Outflow Valve Electronic Module 2 Fault (68)

1. Possible Causes

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 21-31-51-000-003	Removal of the Outflow Valve (10HL) - Auto Motor 10HL-3 (10HL-4)
AMM 21-31-51-400-002	Installation of the Outflow Valve (10HL) - Electronics Module 10HL-1 (10HL-2)
AMM 21-31-51-400-003	Installation of the Outflow Valve (10HL) - Auto Motor 10HL-3 (10HL-4)

3. Fault Confirmation
Subtask 21-31-00-710-145-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 21-31-00-810-213-A

A. If one or both of the reports, LAST LEG REPORT, PREVIOUS LEG REPORT, and/or the test gives the maintenance message which follows,

OUTFLOW VALVE ELEC 2 (68):
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.

(1) If the fault continues:

replace the VALVE-OUTFLOW (10HL), AUTO MOTOR 2 AMM 21-31-51-000-003 and AMM 21-31-51-400-003.

Subtask 21-31-00-710-146-A

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

[Rev.8 from Aug 2018] 2026.04.04 04:38:51 UTC