TM 9--2350--292--20--1
0027 00--2
AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED
AND DOOR FAN IS NOT RUNNING -- CONTINUED
0027 00
B
Is 24 V dc present?
CONTINUED FROM STEP A
no
yes
CONTINUED ON NEXT PAGE
C
Is continuity present?
no
yes
Go to Step D.
1. Place multimeter red lead to harness 3W730
P3 pin A and black lead to common ground
point E3.
2. Check for continuity.
1. Place multimeter red lead to harness 3W730
P3 pin B lead 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 (TM 9--2350--292--10).
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
Replace door fan
(WP 0439 00). Verify
fault is corrected.
