Thursday, November 24, 2011

B-797 SN HC A Refrigerator Service Manual


Contents
1 Safety precautions
2 Technical Specifications
3 Refrigerator Parts
4 Transportation and Installation
5. Description of the Electrical System Items
5.1 Electric Circuit Diagram
5.2. List of Components
5.3. Description of the System Items
5.3.1. Compressor
5.3.2. Freezer Compartment Fan Motor
5.3.3. Fridge Compartment Fan Motor
5.3.4. Sensors
5.3.4.1. Freezer Compartment Sensor
5.3.4.2. Fridge Compartment Air Sensor
5.3.4.3. Freezer Compartment Defrost Sensor
5.3.4.4. Fridge Compartment Evaporator Sensor
5.3.5. Freezer Compartment Defrost Heater
5.3.6. Freezer Compartment Drain Channel Heater
5.3.7. Thermal Fuse
5.3.8. PTC Relay
5.3.9. Overload Protector (OLP)
5.3.10. Solenoid Valve
5.3.11. Door Buttons
5.3.12. Illumination Lamp and Bulb Holder
5.3.13. Display Card
5.3.14. Electronic Control Card
6. Operation Principals
6.1. Cooling Cycle
6.2. Hot Startup / Power Failure
6.2.1. Production Test
6.2.2. Test Protocol:
6.2.3. Warm Initial Startup
6.2.4. Power Failure
6.3. Fridge Compartment (FF) Temperature Adjustment
6.3.1. Operating after a Power Failure
6.3.2. Operation in Vacation Mode
6.3.3. List of Parameters
6.3.4. Displaying Actual Temperatures of the Fridge Compartment (FF)
6.3.5. Fridge Compartment Compulsory Defrost
6.4. Freezer Compartment (FRZ) Temperature Adjustment
6.4.1. List of Parameters
6.4.2. Operating after a Power Failure
6.4.3. Indication of the Actual Temperatures of FRZ
6.5. Solenoid Valve
6.5.1. Operating after a Power Failure
6.5.2. List of Parameters
6.6. Freezer Compartment (FRZ) Defrost Algorithm
6.6.1. Operating after a Power Failure
6.6.2. List of Parameters
6.7. Quick Freeze Function
6.7.1. Displaying Actual Temperature
6.7.2. Operating after a Power Failure
6.7.3. List of Parameters
6.8. Quick Fridge Function:
6.8.1. Displaying Actual Temperature
6.8.2. Operating after a Power Failure
6.8.3. List of Parameters:
6.9. Economy Function
6.9.1. List of Parameters:
6.9.2. Operating after a Power Failure
6.10. FF Door opening
6.10.1. List of Parameters
6.10.2. Operating after a Power Failure
6.11. High Temperature Alarm
6.11.1. List of Parameters:
6.11.2. Operating after a Power Failure
7. Circuit Components
8. Service Test
9. Service/Production Test and Error Messages
9.1. Run-time Test
9.2. Sensor Failure (E0, E1, E3 and E8, ZC)
9.2.1. FRZ sensor (E0) failure:
9.2.2. FRZ eva sensor failure (E1)
9.2.3. FF sensor failure (E3):
9.2.4. Defrost heater error (E4):
9.2.5. FF eva sensor failure (E8)
9.2.6. ZC error:
9.3. Operating after a Power Failure
9.3.1. List of Parameters
9.3.2. ELPROM Data to be Stored
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