TM 9--2350--292--20--1
0140 00--2
PERSONNEL HEATER FAILS TO OPERATE PROPERLY -- CONTINUED
0140 00
D
Is continuity present?
CONTINUED FROM STEP C
no
yes
CONTINUED ON NEXT PAGE
1. Disconnect harness 3W142 lead 400/459B
from 30--amp circuit breaker.
2. Place one multimeter lead on each circuit
breaker connector. Check for continuity.
Replace circuit breaker (WP 0270 00).
Verify fault is corrected.
E
Is 24 V dc present at both checks?
no
yes
1. Reconnect harness 3W218 lead 400 and
harness 3W142 lead 400/459B to 30--amp
circuit breaker.
2. Disconnect harness 3W142 P1 from bulkhead
disconnect.
3. Place multimeter red lead in harness 3W142
P1 sockets F and G (one at a time) while
holding black lead to ground. Check for
voltage.
Repair (WP 0290 00) or
replace (WP 0294 00)
harness 3W142. Verify
fault is corrected.
Repair (WP 0290 00) or
replace (WP 0324 00)
harness 4W127. Verify
fault is corrected.
F
Is 24 V dc present?
CONTINUED FROM STEP B
no
yes
1. Reconnect harness 4W127 lead 400 to heater
control box.
2. Open heater control box and disconnect lead 400
from 20--amp circuit breaker.
3. Place multimeter red lead on lead 400 connector
and black lead to ground. Check for voltage.
Repair (WP 0290 00) or replace
(WP 0248 00) lead 400 from
control box connector to
20--amp circuit breaker. Verify
fault is corrected.