
INDEX
CHAPTER 1: INSTRUCTIONS FOR USE..................................................................................................... 2
1.1 GENERAL INFORMATION....................................................................................................................................3
1.2 WIRING SYSTEM .....................................................................................................................................................4
1.3 WIRING CONNECTIONS ......................................................................................................................................4
1.4 SETTING THE INSIDE TEMPERATURE.............................................................................................................5
1.4.1 DEFROSTING............................................................................................................................................................5
1.5 MAINTENANCE........................................................................................................................................................5
1.5.1 CLEANING .................................................................................................................................................................5
1.6 USEFUL ADVICES ....................................................................................................................................................5
CHAPTER 2: HOW TO DETECT FUNCTIONAL PROBLEMS AND FIX THEM........................................ 6
2.1 NO COOLING/NO OPERATIONS FROM COMPRESSOR AND FAN .................................................................................7
2.2
NO COOLING / COMPRESSOR AND FAN IS OPERATING......................................................................8
2.3 FORM A HOW TO FIX LAMP ..............................................................................................................................9
2.4 FORM B HOW TO SHORT CIRCUIT THERMOSTAT ON ECU............................................................... 10
2.5 FORM C HOW TO REPLACE THERMOSTAT ............................................................................................... 11
2.6 FORM D HOW TO REPLACE ECU ELECTRONIC CONTROL UNIT...................................................17
2.7 FORM E HOW TO TEST AND REPLACE FAN..............................................................................................18
CHAPTER 3: HOW TO REPLACE AESTHETICAL PARTS........................................................................20
3.1 PART 1: DOOR DTNA 38N ...............................................................................................................................21
3.2 PART 2: EVAPORATOR DOOR DTNA 38N................................................................................................ 22
3.3 PART: HANDLE DTNA 38N ............................................................................................................................ 23
3.4 PART 1: DOOR DTNA P3 .............................................................................................................................. 24
3.5 PART: HANDLE DTNA P3 ............................................................................................................................. 26
3.6 PART 1: DOOR PANEL DTNA P3.................................................................................................................27
CHAPTER 4: SPARE PARTS .......................................................................................................................28
4.1 DTNA 38N CABINET......................................................................................................................................... 30
4.2 DTNA 38N COOLING UNIT............................................................................................................................31
4.3 DTNA P3 CABINET............................................................................................................................................ 32
4.4 DTNA P3 COOLING UNIT .............................................................................................................................. 33
4.5 SPARE PARTS LIST............................................................................................................................................... 34
1