TM 9--2350--292--20--1
0028 00--2
AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED
AND SUMP FAN IS NOT RUNNING -- CONTINUED
0028 00
CONTINUED FROM STEP A
CONTINUED ON NEXT PAGE
B
Is 24 V dc present?
no
yes
Go to Step D.
1. Place multimeter red lead to harness 3W730
J1 socket A and black lead to ground.
2. Turn MASTER switch ON
(TM 9--2350--292--10).
3. Turn FUEL SHUTOFF switch ON
(TM 9--2350--292--10).
4. Check for voltage.
5. Turn FUEL SHUTOFF and MASTER
switches OFF.
C
Is continuity present?
1. Place multimeter red lead to harness 3W730
J1 socket B and black lead to common
ground E3.
2. Check for continuity.
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
no
yes
Replace relay box
(WP 0662 00). Verify
fault is corrected.
