62-61753-21  iv 
30  FAILED TO RUN MINIMUM TIME ................................................................................................ 7-22 
31  FAILED TO START - AUTO MODE ............................................................................................. 7-23 
34  ENGINE FAILED TO STOP .......................................................................................................... 7-24 
35  CHECK STARTER CIRCUIT ........................................................................................................ 7-25 
36  CHECK COOLANT TEMPERATURE ........................................................................................... 7-26 
37  CHECK LOW SPEED RPM .......................................................................................................... 7-27 
38  CHECK HIGH SPEED RPM ......................................................................................................... 7-28 
39  CHECK ENGINE RPM.................................................................................................................. 7-29 
40  CHECK GLOW PLUGS ................................................................................................................ 7-31 
41  ENGINE STALLED ....................................................................................................................... 7-32 
7.6  WARNING / STATUS ALARMS .............................................................................................................. 7-33 
51  ALTERNATOR (BATTERY CHARGER) NOT CHARGING ......................................................... 7-33 
53  BOX TEMP OUT-OF-RANGE ...................................................................................................... 7-34 
53  BOX TEMP OUT-OF-RANGE (Continued)................................................................................... 7-35 
54  DEFROST NOT COMPLETE ....................................................................................................... 7-36 
55  CHECK DEFROST AIR SWITCH ................................................................................................. 7-37 
57  CHECK REMOTE SWITCH 1 ....................................................................................................... 7-38 
58  CHECK REMOTE SWITCH 2 ....................................................................................................... 7-38 
59  DATALOGGER (DATACORDER) NOT RECORDING ................................................................ 7-39 
60  DATALOGGER (DATA RECORDER) TIME WRONG ................................................................. 7-40 
61  DOOR OPEN ................................................................................................................................ 7-41 
7.7  ELECTRICAL ALARMS ........................................................................................................................... 7-42 
71  BAD F2 OR F3 FUSE ................................................................................................................... 7-42 
73  NO POWER-CHECK POWER CORD .......................................................................................... 7-43 
75  COMP MOTOR OVERLOAD ........................................................................................................ 7-44 
76  CONDENSER MOTOR OVERHEATED ....................................................................................... 7-45 
76  CONDENSER MOTOR OVERHEATED (Continued) ................................................................... 7-46 
77  EVAP (EVAPORATOR) MOTOR OVERHEATED ....................................................................... 7-47 
77  EVAP MOTOR OVERHEATED (Continued) ................................................................................ 7-48 
89  CHECK REMOTE AUTO LIGHT .................................................................................................. 7-49 
91  CHECK HTCON1 RELAY COIL ................................................................................................... 7-49 
92  CHECK HTCON2 RELAY COIL ................................................................................................... 7-50 
93  CHECK START UP BUZZER ....................................................................................................... 7-51 
94  CHECK COMP CONTACTOR 1 (COMPRESSOR CONTACTOR RELAY) ................................ 7-51 
95  CHECK CDCON RELAY COIL ..................................................................................................... 7-52 
96  CHECK GENCONR RELAY COIL ................................................................................................ 7-52 
98  CHECK HIGH TEMP THERMOSTAT (EVHTS) ........................................................................... 7-53 
99  CHECK STANDBY (POWER SUPPLY CONTACTOR RELAY) COIL ......................................... 7-53 
100  OVERLOAD/GROUND FAULT .................................................................................................... 7-54 
109  CHECK EVCON COIL .................................................................................................................. 7-55 
112  CHECK BYPASS (Unloader) CIRCUIT ........................................................................................ 7-56 
113  CHECK ECONOMIZER CIRCUIT ................................................................................................ 7-57 
114  CHECK LIV CIRCUIT ................................................................................................................... 7-58 
7.8  SENSOR ALARMS .................................................................................................................................. 7-59 
121  CHECK AMBIENT AIR SENSOR (AAT)....................................................................................... 7-59 
122  CHECK RETURN AIR SENSOR (RAT) ....................................................................................... 7-60 
123  CHECK SUPPLY AIR SENSOR (SAT) ........................................................................................ 7-61 
124  CHECK DEFROST TERMINATION 1 SENSOR (DTT) ............................................................... 7-62 
125  CHECK COMPRESSOR DISCHARGE SENSOR (CDT) ............................................................. 7-63 
126  CHECK FUEL SENSOR (FLS) ..................................................................................................... 7-64 
127  CHECK SUCTION TEMPERATURE SENSOR (CST) ................................................................. 7-65 
128  AMPS MEASURE ......................................................................................................................... 7-66 
129  CHECK ENG COOLANT SENSOR (ENCT)................................................................................. 7-67 
130  CHECK ENGINE RPM SENSOR (ENRPM) ................................................................................. 7-68