TM 55-1945-205-24-20030 00 10030 00UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCEROLL-ON/ROLL-OFF DISCHARGE FACILITYHEATING AND AIR CONDITIONING SYSTEMTROUBLESHOOTING PROCEDURESINITIAL SETUP:Personnel RequiredEngineer 88LUtilities Equipment Repairer 52CReferencesTM 55-1945-205-10-2TROUBLESHOOTING PROCEDURECOMPRESSOR CYCLES OFF (NOT ON OVERLOAD)SYMPTOMCompressor cycles off.MALFUNCTIONCompressor system wiring is defective.CORRECTIVE ACTIONRepair/replace wiring in the system as necessary. (WP 0348 00)Perform operational check on heating and air conditioning system. (TM 55-1945-205-10-2)MALFUNCTIONCompressor system has low voltage running to it.CORRECTIVE ACTIONUsing a multimeter, check the continuity of wiring to the compressor motor: RUN wire (black) from the capacitor, the START wire (blue) from the capacitor and the COMMON wire (yellow). If continuity is not present, repair/replace wiring as necessary. (WP 0348 00)Perform operational check on heating and air conditioning system. (TM 55-1945-205-10-2)MALFUNCTIONThe system capacitor is defective.CORRECTIVE ACTIONReplace the capacitor. (WP 0111 00)Perform operational check on heating and air conditioning system. (TM 55-1945-205-10-2)
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