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Quick Freeze Icon: 

Under the

 “Quick Freeze”

 mode, press and hold the 

“Freezer Temperature Adjustment” 

button for 3 seconds to adjust the 

“Quick Freeze”

 mode duration; it can range between 6-24 hours. 

Lock/Unlock Button: 

If buttons have not been pressed for 30 seconds, it will go into lock state automatically. 

Under the unlocked state, press the Lock / Unlock button for 3 seconds; the control panel will be disabled and a lock icon 
will be lighted. 

Under the locked state, press the Lock / Unlock button for 3 seconds; the control panel will activate and the lock icon will be 
extinguished. 

V. Fault Handling 
 

1.

 

Fault Codes 

 

Fault Code Display 

Fault Code Description 

Refrigerator temperature display flashes "E1" 

Refrigerator temperature sensor failure 

Freezer temperature display flashes "E2" 

Freezer temperature sensor failure 

Freezer temperature display flashes "E9" 

Defrost sensor failure 

Freezer temperature display flashes "E6" 

Communication Failure 

 

2.

 

Common Faults and Maintenance 

Common Faults 

Possible Reason 

Troubleshooting 

Refrigerator is not cooling 

Compressor is not working / cannot 
start up. 

Check if: 

-

 

the PTC starter relay is damaged 

-

 

the voltage input to the control board 
is normal; 

Compressor frequent tripping 

Check if: 

-

 

the overload protection device is 
damaged 

-

 

the compressor running current is 
normal, if the current is too low, check 
the refrigerant leaks. 

Refrigerator compartment is 

 

Check every connection of PCB, make 
sure that there are no loose 

Summary of Contents for 7S21FNI SL

Page 1: ...7S21FNISL 7S21FNNSL Service Manual Table of Contents Appearance and Parts Diagram Technical Specifications Control System Control Panel and Operation Fault Handling ...

Page 2: ...shock I Power Consumption Kwh 24h 1 19 Frozen stars Noise Sound Level dB A 44 Total Volume L 576 Foaming Agent Cyclopentane Refrigerator Volume L 376 Energy efficiency level Level 1 Freezer Volume L 200 Freezing Capacity Kg 24h 12 Rated Voltage V 220 Refrigerant Amount R600 83g Rated Frequency Hz 60 Net Dimensions h w d in mm 1809 774 915 Rated Current A 1 0 Gross Net Weight in Kg 125 105 ...

Page 3: ... the compressor is turned on When the ambient temperature is higher than 10 condenser fan and compressor are simultaneously turned on 3 Evaporator Fan Motor Evaporator fan is turned on after the freezer door is closed 4 Freezer Ref LED Lamps The freezer ref lamps turn off when the freezer door is closed and turned on when the freezer door is opened 5 Heater and Air Damper During cooling refrigerat...

Page 4: ...er compartment Freezer temperature adjustment range 16 22 Press the Refrigerator Temperature Adjustment button to adjust the temperature of the refrigerator compartment Freezer temperature adjustment range 2 8 Turn off Refrigerator Compartment In an Unlocked State press and hold Refrigerator Temperature Adjustment button for 3 seconds the OFF icon will be lighted refrigerator compartment will be t...

Page 5: ...splay Fault Code Description Refrigerator temperature display flashes E1 Refrigerator temperature sensor failure Freezer temperature display flashes E2 Freezer temperature sensor failure Freezer temperature display flashes E9 Defrost sensor failure Freezer temperature display flashes E6 Communication Failure 2 Common Faults and Maintenance Common Faults Possible Reason Troubleshooting Refrigerator...

Page 6: ...s are not worn out The condenser fan motor is causing the loud noise Check the fan motor is right position or not If the motor in right position and a loud noise is still heard during operation change it to a new one A loud noise is heard from the compressor during operation Check for worn out shock pad gasket if it is replace it with a new one If a loud noise is still heard replace compressor wit...

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