TM 5-3805-280-24-1
Unit Shutdown:
Won't Start/Run:
Out of Fuel
Low Battery Voltage
Compressor Oil Temp. Too High
<9 Volts at Shutdown Solenoid
Engine Water Temp. Too High
Blown Fuse
Engine Oil Pressure Too Low
Malfunctioning Start Switch
Broken Engine Fan Belt
Defective Safety Bypass Switch
Loose Wire Connection
Clogged Fuel Filters
Low Fuel Level Shutdown Switch
Out of Fuel
Defective Discharge Air Temp. Switch
Compressor Oil Temp. Too High
Defective Engine Belt Break Switch
Engine Water Temp. Too High
Defective Engine Oil Pressure Switch
Engine Oil Pressure Too Low
Defective Shutdown Solenoid
Loose Wire Connection
Malfunctioning Relay
Defective Discharge Air Temp. Switch
< 9 Volts at Shutdown Solenoid
Defective Engine Belt Break Switch
Blown Fuse
Defective Engine Oil Pressure Switch
Engine Malfunctioning
Defective Shutdown Solenoid
Airend Malfunctioning
Malfunctioning Relay
Engine Malfunctioning
Airend Malfunctioning
Unit Fails To Shutdown:
Low Fuel Shutdown Switch
Defective Discharge Air Temperature Switch
Engine Temperature Lamps Stays On:
Defective Engine Belt Break Switch
Broken Engine Fan Belt
Defective Engine Oil Pressure Switch
Malfunctioning Circuit Board
Defective Shutdown Solenoid
Defective Engine Belt Break Switch
Malfunctioning Relay
Ambient Temp. > 125_F (52_C)
Defective Safety Bypass Switch
Dirty Operating Conditions
Dirty Cooler
Out of Level >15 degrees
Operating Pressure Too High
Recirculation of Cooling Air
Alternator Lamp Stays On:
Loose or Broken Belts
Loose Wire Connection
Low Battery Voltage
Malfunctioning Alternator
Engine Oil Pressure Lamp Stays On:
Malfunctioning Circuit Board
Low Oil Level
Out of Level >15 degrees
Wrong Lube Oil
Clogged Oil Filter Elements
Engine Malfunctioning
Alternator Lamp Stays Off:
Bulb Burned Out
Loose Wire Connection
Malfunctioning Circuit Board
Engine Temperature Lamps Stays Off:
Bulb Burned Out
Loose Wire Connection
Malfunctioning Circuit Board
Defective Engine Belt Break Switch
Engine Oil Pressure Lamp Stays Off:
Bulb Burned Out
Malfunctioning Circuit Board
Defective Engine Oil Pressure Switch
Malfunctioning Fan
Engine Malfunctioning
9-3