MSEX0105i – Electronic No Frost Refrigerator Bottom Mount/ Dual Fan - Maestro High
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INDEX
1 – IDENTIFICATION.........................................................................................................................................3
2 – TECHNICAL INFORMATION.......................................................................................................................4
2.1 – Technical Specifications...........................................................................................................4
2.2 – Capacity, Weight and Dimensions...........................................................................................4
2.3 – Maximum weight under Components......................................................................................4
3 –AESTHETICS CHARACTERISTICS.............................................................................................................5
4 – USE CHARACTERISTICS...........................................................................................................................6
4.1 – Keys selection on Control Panel..............................................................................................6
4.2 – Functions & Indicative Icons on the LCD Display..................................................................7
4.2.1 – For Refrigerator Compartment................................................................................7
4.2.2 – For Freezer Compartment........................................................................................8
4.2.3 – Informative and Alarm Icons...................................................................................9
5 – FUNCTIONAL CHARACTERISTICS..........................................................................................................9
5.1 – Electronic Control....................................................................................................................10
5.2 – Interface Board.........................................................................................................................12
5.3 – Reed-Switch Board..................................................................................................................12
5.4 – Freezer Fan Motor....................................................................................................................13
5.5 – Refrigerator Fan Motor............................................................................................................14
5.6 – Temperature Control...............................................................................................................14
5.6.1 – Refrigerator Temperature Sensor – NTC..............................................................15
5.6.2 – Freezer Temperature Sensor – NTC......................................................................17
5.6.3 – Defrost Temperature Sensor – NTC......................................................................17
5.7 – Defrost System.........................................................................................................................19
5.8 – Alarm System...........................................................................................................................20
5.8.1 – Caution Alarm.........................................................................................................20
a) Party Mode Alarm (exceeded time) ................................................................20
b) Anti Bacteria Filter Alarm (replacement time)...............................................20
c) Open Door Alarm..............................................................................................21
d) Temperature Alarm..........................................................................................21
5.8.2 – Service Call Alarm..................................................................................................22
a) Communication Failure Alarm........................................................................22
b) Temperature Sensor (Refrigerator, Freezer & Defrost) failure....................22
5.9 – Air Flow.....................................................................................................................................23
5.9.1 – Air Circulation on Freezer Compartment.............................................................23
5.9.2 – Air Circulation into Refrigerator Compartment...................................................25
6 – OTHERS COMPONENTS..........................................................................................................................26
6.1 – Refrigerant Fluid and Drier Filter............................................................................................26
6.2 – Cabinet......................................................................................................................................26
6.3 – Compressor..............................................................................................................................27
6.4 – Capacitor..................................................................................................................................27
6.5 – Condenser................................................................................................................................27
6.6 – Evaporator................................................................................................................................27
6.7 – Defrost Heater..........................................................................................................................29
6.8 – Thermofuse..............................................................................................................................29
6.9 – Doors and Gaskets..................................................................................................................29
6.10 – Refrigerator Lamp..................................................................................................................30
6.11 – Rollers and Leveler Feet.......................................................................................................30
6.12 – Clicking Bushings..................................................................................................................30
6.13 – Vegetable Drawer with Humidity Control............................................................................30
6.14 – Easy Ice System.....................................................................................................................30
6.15 – Anti-Bacteria Filter.................................................................................................................31
7 – COMPONENT TESTS................................................................................................................................31
7.1 – Electronic Control / Self-Test Routine...................................................................................31
7.2 – Interface Board – LCD Display Routine.................................................................................32
8 – DOOR REVERSAL.....................................................................................................................................33
9 – REQUIRED TOOLS FOR SERVICING......................................................................................................38
10 – WIRING DIAGRAM..................................................................................................................................39
11 – FAILURE CORRECTION CHART (TROUBLESHOOTING)....................................................................40
