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4.5.5 Null Mode ........................................................................................................................................... 4-5
4.5.6 Defrost Mode ..................................................................................................................................... 4-5
4.6 USER SELECTED OVERRIDE OPERATION .......................................................................................... 4-6
4.6.1 Supply Air Limit Control ..................................................................................................................... 4-6
4.6.2 Temperature Range Lock 1 & 2 ......................................................................................................... 4-7
4.6.3 ProductShield ..................................................................................................................................... 4-9
4.6.4 ProductShield Temperature Ranges ............................................................................................... 4-10
4.7 PREPROGRAMMED SOFTWARE OVERRIDES ................................................................................... 4-10
4.7.1 High Discharge Temperature ........................................................................................................... 4-10
4.7.2 RAT & SAT Alarms Both Active ....................................................................................................... 4-10
4.7.3 Engine Speed Overrides .................................................................................................................. 4-10
4.7.4 Operating Mode Overrides .............................................................................................................. 4-11
SECTION 5 - TECHNICIAN INTERFACE .............................................................................................................. 5-1
5.1 TECHNICIAN CONFIGURATION/ TEST MODES (REMOVE JUMPER MODE) ..................................... 5-1
5.1.1 Configuration Mode............................................................................................................................ 5-1
5.1.2 Component Test Mode ...................................................................................................................... 5-1
5.1.3 Service Mode ..................................................................................................................................... 5-3
5.2 DOWNLOADING DATA WITH THE PC CARD ......................................................................................... 5-4
5.3 INSTALLING NEW SOFTWARE USING A PC Card ................................................................................ 5-5
5.3.1 Procedure .......................................................................................................................................... 5-5
5.3.2 Troubleshooting Loading Problems ................................................................................................... 5-5
5.4 LogiCOLD MICROPROCESSOR REPLACEMENT & CONFIGURATION SETUP .................................. 5-6
5.4.1 Microprocessor Replacement ............................................................................................................ 5-6
5.4.2 Microprocessor Setup ........................................................................................................................ 5-6
5.4.3 Configurations Via Keypad ................................................................................................................ 5-7
5.4.4 Functional Parameters Via Keypad ................................................................................................... 5-7
5.4.5 Microprocessor Final Checkout ......................................................................................................... 5-8
SECTION 6 - MESSAGECENTER ......................................................................................................................... 6-1
6.1 MessageCenter MESSAGES .................................................................................................................... 6-1
SECTION 7 - ALARM TROUBLESHOOTING ....................................................................................................... 7-1
7.1 INTRODUCTION ....................................................................................................................................... 7-1
7.2 NOTES ...................................................................................................................................................... 7-1
7.3 DRIVER / OPERATOR ALARMS .............................................................................................................. 7-3
1 LOW FUEL LEVEL WARNING ....................................................................................................... 7-3
7.4 SHUTDOWN ALARMS .............................................................................................................................. 7-4
11 LOW ENGINE OIL PRESSURE ..................................................................................................... 7-4
12 HIGH COOLANT TEMPERATURE ................................................................................................ 7-5
13 HIGH DISCHARGE PRESSURE .................................................................................................... 7-7
14 HIGH A/C AMPS ............................................................................................................................. 7-8
15 BATTERY VOLTAGE TOO HIGH .................................................................................................. 7-9
16 BATTERY VOLTAGE TOO LOW ................................................................................................. 7-10
17 HIGH COMP DISCHARGE TEMP ................................................................................................ 7-11
18 LOW REFRIGERANT PRESSURE .............................................................................................. 7-12
19 LOW FUEL SHUTDOWN ............................................................................................................. 7-14
20 MAXIMUM COMPRESSOR ALARMS .......................................................................................... 7-15
21 TECHNICIAN RESET REQUIRED ............................................................................................... 7-15
22 LOW SUCTION SUPERHEAT ..................................................................................................... 7-16
23 A/C CURRENT OVER LIMIT ........................................................................................................ 7-17
24 COMPRESSION RATIO EXCEEDED .......................................................................................... 7-19
27 HIGH SUCTION PRESSURE ....................................................................................................... 7-20
28 CHECK REFRIGERATION SYSTEM ........................................................................................... 7-21
7.5 START-UP / ENGINE ALARMS .............................................................................................................. 7-22
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