Electrolux FKCH17F7HW service manual Electronic Control

Basic Information

Section 1 - Basic Information	1-1
Table of Contents	1-2
Safe Servicing Practices	1-3
Product Features	1-4
Door Storage	1-5
Adjustable Door Bins	1-5
Crisper Drawers	1-5
Adjustable Shelving	1-5
Humidity Control	1-5
Serial Plate	1-6
Care and Cleaning	1-6
Cleaning The Inside	1-6
Cleaning The Outside	1-6

Section 2 - Electronic Control	2-1
Electronic Temperature Control	2-2
Switching Between Refrigerator and
Freezer Mode	2-2
Setting Selection	2-2
Operation of Electrical Control Components	2-3
Freezer and Refrigerator Modules	2-3
DPDT Rocker Switch	2-3
Ambient Thermostat	2-3
Fan Relay	2-3
Service Diagnostic Mode	2-4
Initiate Service Mode	2-4
Defrost Cycle Timing	2-4
Manual Defrost Mode	2-4
Compressor Delay Start	2-4
Voltage Range	2-4
Error Indication	2-5
Fail Safe Mode	2-5
Stuck Key	2-5
Exiting Fail Safe Mode	2-5

Section 3 - Refrigeration System	3-1
Definitions	3-2
Safety Warnings	3-2
Charging Sealed Systems	3-2
Soldering	3-3
Basic Components	3-3
Refrigerant Cycle	3-3
Low/High Side Leak or Undercharge	3-4
Testing for Refrigerant Leaks	3-4
Compressor Replacement	3-4
To Flush the System	3-5
To Use Dry Nitrogen to Flush the System	3-5
To Use Refrigerant to Flush the System	3-5
Installing a New Compressor	3-6
Condenser Replacement	3-7
Filter-Drier Installation	3-8
Evaporator and Suction Line Replacement	3-8
Equipment Needed for Evacuation & Recharging ..	3-9
Installing Evacuation and Recharging Equipment ..	3-9
Evacuating System	3-10

Charging the System	3-10
Preparing the Charging Cylinder	3-10
Final Leak Test	3-11
Verify Refrigerant Type in the System	3-12
Dedicated Equipment	3-12
R-134a Refrigeration Systems	3-12
Miscibility of R-134a and Ester Oil	3-12
Water in the Refrigeration System	3-13
Vacuum Pump Maintenance	3-14
Refrigerant Leaks	3-14
Leak Detection	3-15
R-134a Properties	3-15
HFC-134a, CFC-12 Pressure Temp. Chart	3-16
Inhalation Toxicity	3-17
Cardiac Sensitization	3-17
Spills or Leaks	3-17
Skin and Eye Contact	3-17
Combustibility of HFC-134a	3-18
Leak Testing	3-18
Bulk Delivery and Storage	3-18
Filling and Charging Operations	3-18
Refrigerant Recovery Systems	3-18
Thermal Decomposition	3-18
Section 4 - Component Teardown
Warnings and Cautions	4-2
Exterior Components	4-3
Door Handle	4-3
Kickplate	4-3
Door Hinge and Door Assembly	4-3
Door Stop	4-4
Door Gasket and Inner Panel	4-4
Gallon Door Bin	4-5
Two Liter Door Bins	4-5
Dairy Door	4-5
Door Switch	4-6
Interior Components	4-6
Glass Shelf Assembly	4-6
Crisper Drawer	4-6
Crisper Cover Assembly	4-7
Light Shield	4-7
Light Fixture	4-7
Baffle Plate	4-8
Evaporator Cover	4-8
Control Switch	4-8
Electronic Control	4-9
Evaporator Fan Assembly	4-9
Defrost Thermostat	4-10
Defrost Heater	4-10
Evaporator	4-10
Compressor Area Components	4-11
Power Cord	4-11
Filter-Drier	4-11
Compressor	4-12
Drain Pan and Drain Pan Heater Loop	4-13
Condenser Service	4-14

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