CREW AUTOMATIC FIRE EXTINGUISHING SYSTEM
FIRE DETECTION TEST AND ALARM
POWER ON LAMP DOES NOT LIGHT WHEN MASTER SWITCH IS
PANEL INDICATORS
TURNED ON. All other electrical systems operate.
(EFFECTIVE FOR VEHICLES 1 THRU 344)
Before troubleshooting AFES, check the following:
1 Make sure MASTER switch is set to OFF (TM 9-2350-267-10).
2 Make sure crew T/A panel Maintenance switch is tinned to maintenance
position (p 14-14.5).
NOTE
l Instead of using multimeter for voltage check, STE/ICE troubleshooting,
INDIVIDUAL BATTERY VOLTAGE TEST-TEST 89 be performed.
l Instead of using multimeter for continuity check STE/ICE troubleshooting,
TEST 91 may be performed.
A. Disconnect wiring harness 12351498 from crew AFES T/A panel. Place red
lead of multimeter in socket B of harness 12351498 and ground black lead of
WARNING
Turn crew AFES T/A panel Maintenance switch to
vertical position before disconnecting any electrical
wiring harnesses. Failure to comply may result in
discharge of extinguisher cylinders and injury to
personnel.
multimeter. Check for 24 ± 3 vdc. Repeat procedure for socket A. If voltage
is indicated in both sockets, go to step C. If voltage is not indicated in both
sockets, go to step B.
2-306.9
Change 4
TM 9-2350-267-20
