Service manual

1
9
62−11389
SECTION 9 − UNIT TROUBLESHOOTING
PARAGRAPH NUMBER Page
9.1 ENGINE 9−1.........................................................................
9.1.1 Engine Will Not Start 9−1..........................................................
9.1.2 Engine Starts Then Stops 9−2.....................................................
9.1.3 Engine Will Not Shut Off 9−2.......................................................
9.1.4 Starter Motor Malfunction 9−2......................................................
9.1.5 Malfunction In The Engine Starting Circuit 9−2.......................................
9.1.6 Miscellaneous Engine Troubleshooting 9−3..........................................
9.2 BATTERY CHARGER 9−3.............................................................
9.3 GENERATOR 9−4....................................................................
9.4 REFRIGERATION / TEMPERATURE CONTROL 9−4.....................................
9.4.1 Unit Will Not Cool 9−4.............................................................
9.4.3 Unit Operates Long Or Continuously In Cooling 9−4...................................
9.4.4 Unit Will Not Terminate Cooling 9−5.................................................
9.4.6 Unit Will Not Terminate Heating 9−5.................................................
9.4.7 Defrost Cycle Malfunction 9−5.....................................................
9.4.8 Abnormal Pressure 9−6...........................................................
9.4.9 Abnormal Noise 9−6..............................................................
9.4.10 No Evaporator Air Flow Or Restricted Air Flow 9−6...................................
9.4.11 Evaporator Expansion Valve (EVXV) Malfunction 9−7.................................
9.4.12 Compressor Suction Modulation Valve (CSMV) Malfunction 9−7........................
9.5 Speed Control System Diagnostics 9−8..................................................
9.6 Microprocessor Diagnostics 9−13........................................................