TM-9-2350-256-10

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

OPERATOR'S MANUAL

OCTOBER 2014

TM-9-2350-256-10 - Page 447 of 796

CEP FIRE EXTINGUISHER LED(S) BLINK WHEN AFES IS POWERED

SYMPTOM

CEP fire extinguisher LED(s) blink when AFES is powered.

MALFUNCTION

Fire extinguisher has discharged or fault with discharge has occurred.

CORRECTIVE ACTION

NOTE

Blink sequences for fire extinguishers faults are different. A fail-to-flow fault will

have a noticeable pause while the discharge fault will not.

1.

Check if corresponding fire extinguisher bottle has discharged, as indicated by a steady blink

twice per second.

2.

Check if corresponding fire extinguisher bottle has fail-to-flow (no discharge occurred after

activation signal), as indicated by a repeated double blink followed by a pause.

3.

If extinguisher bottle has discharged or failed to discharge, notify maintenance.

CEP SENSOR FAULT LED(S) BLINK WHEN AFES IS POWERED

SYMPTOM

CEP sensor fault LED(s) blink when AFES is powered.

MALFUNCTION

CEP cannot communicate with one or more Optical Fire Sensor Assemblies (OFSA).

CORRECTIVE ACTION

1.

Check if OFSA lenses are clean and free from debris.

2.

If any lenses are dirty, clean with lens paper.

3.

Check for loose or disconnected wiring harness lead at corresponding OFSA.

4.

Reconnect any loose or disconnected harness leads.

5.

Press the CEP BIT/LAMP TEST switch to activate BIT test. If fault still exists,

notify maintenance.

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