TM 55-1945-205-24-20035 00 10035 00UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCEROLL-ON/ROLL-OFF DISCHARGE FACILITYHEATING AND AIR CONDITIONING SYSTEMTROUBLESHOOTING PROCEDURESINITIAL SETUP:Test EquipmentMultimeter (Item 43, WP 0359 00)Personnel RequiredEngineer 88LUtilities Equipment Repairer 52CReferencesTM 55-1945-205-10-2TROUBLESHOOTING PROCEDUREFAN MOTOR MAKES NO NOISE AND DOES NOT STARTSYMPTOMFan motor makes no noise and will not start.MALFUNCTIONThere is no power to the fan motor.CORRECTIVE ACTIONPosition power switch to AUTO, FAN, COOL or HEAT. Check that power cord is connected. On personnel shelter electrical distribution panel, check circuit breaker A to be sure it is turned on. (TM 55-1945-205-10-2)Perform operational check on heating and air conditioning system. (TM 55-1945-205-10-2)MALFUNCTIONInternal thermostat is stuck open.CORRECTIVE ACTIONReplace thermostat. (WP 0107 00)Perform operational check on heating and air conditioning system.(TM 55-1945-205-10-2)MALFUNCTIONFan motor switch is defective.
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