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Detailed instructions for use are in the User's Guide.
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12. Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-1 The Feature of Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] OK NG EEV coil error
Yes
Is much frost in the heat exchanger?
No
Exchange the out PCB.
Yes EEV main body error
Does the outdoor fan operate at the operation of compressor?No
Yes
The over shortage of refrigerant, Insufficient Capacity, Load estimation error
Is the outdoor fan connected correctly?Yes Check the resistance value of outdoor fan. OK
No
Connect the connector.
NG
Outdoor fan error
Dose the voltage of DC300V apply to the connector of outdoor fan during the operation of outdoor unit?No Outdoor PCB error
Yes Check the motor wire.
Samsung Electronics
12-8
Troubleshooting
12-2-7 Outdoor temperature sensor error
1. Checklist : 1) Is the sensor connector connected correctly?3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?4) Is the resistance value of sensor connection pull_up correct?Troubleshooting procedure
Is the sensor connector connected correctly in accordance with a color?Yes No Is the temperature sensor connected correctly without separation?Yes Does the both terminal of sensor satisfy the resistance value in accordance with temperature?No
No Connect the connector.
Yes No Is the color of Fan wire matched correctly?No Exchange the Fan.
Yes Exchange the PCB. Normal operation
Exit
Samsung Electronics
12-12
Troubleshooting
12-2-11 DC-Link voltage sensor error
1. Checklist : 1) Is the voltage of indoor unit terminal block 1, 2 correct after power supply?2) Is the capacitor(C101, C102, C103) for DC-Link assembled in accordance the specification?Troubleshooting procedure
Is the voltage of indoor unit terminal block 1, 2 correct after power supply?Yes Is the capacitor(C101, C102, C103) for DC-Link assembled in accordance the specification?Yes No No No
Apply the troubleshooting for outdoor unit power supply error.
No Connect the connector.
Exchange the PCB.
Exchange the Fan.
Exchange the PCB.
Normal operation
Exit
12-13
Samsung Electronics
Troubleshooting
12-2-12 O. C. (Over Current) error
1. Checklist : 1) Is the Shunt resistance value correct?2) Is the condition of surrounding temperature abnormal overload?3) Is there any problem as like the temperature sensor separation or measurement value error? [. . . ] Pull out the deodorizing and Bio filter. Wash the filters with clean water, then dry them in the shade. Insert the filters into the original position. Note : · You can change the position of filters with each other. [. . . ]
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