Power Supply Line Fault

TASK 35-23-00-810-804-A
Power Supply Line Fault

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 35-23-00-710-001	Operational Check of Manual Mask Release
ASM 352301

3. Fault Confirmation
Subtask 35-23-00-710-056-A

A. Do the operational test of the manual mask release AMM 35-23-00-710-001.

4. Fault Isolation
Subtask 35-23-00-810-054-A

A. If one set of masks (approx. half of the installed masks) drops after approx. 6 seconds:

(1) If the fault continues:
(a) Do a check and repair the wiring if necessary between:

RELAY (10WR) connector A/D1 and CB (4WR)
RELAY (10WR) connector A/D2 RELAY (25WR) connector A/A2
RELAY (10WR) connector A/C1 and CB (5WR)
RELAY (10WR) connector A/C2 RELAY (25WR) connector A/A1
RELAY (10WR) connector A/B1 and CB (6WR)
RELAY (10WR) connector A/B2 RELAY (25WR) connector A/B1
RELAY (10WR) connector A/A1 and CB (7WR)
RELAY (10WR) connector A/A2 RELAY (25WR) connector A/B2,
ASM 352301.

Subtask 35-23-00-810-060-A

B. If one set of masks (approx. half of the installed masks) does not fall during the test:

(1) If the fault continues:

Do a check of the RELAY-TIME DELAY (25WR) and replace it if necessary ASM 352301.

(2) If the fault continues:
(a) Do a check and repair the wiring if necessary between:

RELAY (10WR) connector A/D1 and CB (4WR)
RELAY (10WR) connector A/D2 and RELAY (25WR) connector A/A2
RELAY (10WR) connector A/C1 and CB (5WR)
RELAY (10WR) connector A/C2 and RELAY (25WR) connector A/A1
RELAY (10WR) connector A/B1 and CB (6WR)
RELAY (10WR) connector A/B2 and RELAY (25WR) connector A/B1
RELAY (10WR) connector A/A1 and CB (7WR)
RELAY (10WR) connector A/A2 and RELAY (25WR) connector A/B2
RELAY (25WR) connector A/X1 and CB (3WR)
RELAY (25WR) connector A/X1 and CB (2WR)
RELAY (25WR) connector A/X2 and GND,
ASM 352301.

Subtask 35-23-00-710-057-A

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

5. Close-up
Subtask 35-23-00-860-053-A

A. Put the aircraft back to its initial configuration.

[Rev.8 from Aug 2018] 2026.04.04 04:33:39 UTC