TM 9-2320-387-24-l
REFERENCE INFORMATION
0 II
. .
WARNING
PROTECTIVE CONTROL BOX
IGNITION
SWITCH
POSrnON
DIAGNOSTIC CHECKS
(GO TASKS)
OFF
LEDs 1.3.4.6.7 - ON; Remaining LEDs OFF.
RUN
LEDs 1.2.3.4.5.6.7.6.11.13
-ON.
LED 13 - OFF after a few seconds (glow plug warm-up time).
ENGINE NOT
LED 13 - OFF (if engine is at operating temperature).
RUNNING)
LED 11 - CYCLING ON and OFF (glow ptug controller operation).
LEDs 9.10.12 -OFF.
Release parking brake lever. LED 6 - Off.
Engage parking brake lever. LED 6 - ON.
START
(ENGINE
CRANKING)
LED 10 - Momentarily ON and then remains OFF (starter motor
frequency lockout).
RUN
(ENGINE
RUNNING)
LEDs 1.2.3.4.5.6.7.6.9.12
- ON.
LED 11 - cycling ON and OFF (glow plug controller operation):
OFF time tnterval i ncreases as engine warms up.
LED 11 - OFF (when en
LED 11 may remain OF !
ine is at operating temperature).
from previous run).
(when engine is at operating temperature
LEDl3-OFF.
Release parking brake lever. LED 6 - Off.
Engage palking brake fever. LED 6 - ON.
1
Disconnect negative battery cable
before disconnecting and reconnecting
PCB harness. Failure to do so may
result in injury to personnel or damage
to equipment.
Replace PCB (para. 4-4).
- :
Repair lead connectors (paa. 4-80).
Repair lead (para. 4-80).
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