TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download
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TM 9-2540-207-14&P 6-3 C7 Fuel Pressure Sensor Fault C9 Fuel Pump Fault E2 Low Fuel Pressure E5 Inlet Over Pressure E6 System Voltage F3 Heat Limit F6 Ambient Over Temperature Table 6-1. Warning Faults Table 6-2. Shut Down Faults 6.3 Troubleshooting - General !CAUTION! Do NOT attempt to start heater more than three (3) times. If the heater does not start, the Control Box Lamp is flashing, and/or a diagnostic fault code is noticed on the Diagnostic Display, attempt two more starts prior to initiation of heater maintenance. - If the Control Box Lamp begins to flash, the heater is signaling that an abnormal condition is present and the diagnostic display should be viewed for the possible fault. - If Ignition is not achieved in the allowable 3 ½ minutes, the heater will automatically shut down, flash the Control Box Lamp, and display the fault. - When the heater is switched off by the operator the control box lamp will flash, in this case no maintenance is required and the heater can be restarted after shutdown is complete. !CAUTION! If black smoke is noticed during any mode of Heater Operation, shut down the heater, and check for airflow obstructions. It is possible that frost has built up in the combustion air intake or that debris has entered into the combustion system . C1 Ignitor Fault C2 Ignitor Short C3 Vent Fan Fault C4 Burner Fan Fault C5 Exhaust Sensor Fault C6 Vent Sensor Fault C8 Controller Fault CA Fuel Injector Fault E1 Low Voltage E3 Low Burner Air Flow E4 Reverse Burner Air Flow F1 Ignition Overtime F2 Burner Flame Out F4 Vent Air Over Heat F5 Over Current F6 Ambient Over Temperature F7 Exhaust Over Temperature F8 Ignition Flame Out