Contents
1. Precautions ······································································································································· 1-1
1-1 Precautions for the Service ············································································································ 1-1
1-2 Precautions for the Static Electricity and PL ··············································································· 1-1
1-3 Precautions for the Safety ·············································································································· 1-1
1-4 Others ················································································································································ 1-1
2. Product Specifications ·············································································································· 2-1
2-1 The Feature of Product ··················································································································· 2-1
2-1-1 Features ·································································································································· 2-1
2-1-2 Changes in comparison to basic model ············································································ 2-2
2-2 The Comparative Specifications of Product ················································································ 2-3
2-3 Accessory and Option Specifications ··························································································· 2-5
2-3-1 Filter·········································································································································· 2-5
2-3-2 Accessory ································································································································· 2-5
3. Disassembly and Reassembly ······························································································ 3-1
3-1 Indoor Unit ······································································································································· 3-2
3-2 Outdoor Unit ···································································································································· 3-10
4. Troubleshooting ···························································································································· 4-1
4-1 Indoor Display Error and Check Method ····················································································· 4-1
4-1-1 Indoor unit LED display at error detecting ······································································· 4-1
4-2 Outdoor Trouble shooting ············································································································· 4-2
4-3 Troubleshooting by symptoms ····································································································· 4-5
4-3-1 Communication error after finishing tracking (E202) ······························································ 4-5
4-3-2 Outdoor's service valve(Clog) ············································································································ 4-6
4-3-3 No Power(completely dead) - Initial diagnosis ································································· 4-7
4-3-4 E102 : Communication error between indoor and outdoor unit
E201 : Unit quantity miss matching beween Indoor and Outdoor
E202 : Abnormal state, no communication between Indoor and Outdoor Main PCB
E203 : 1min Time out of communication error(MainļInverter) ········································· 4-11
4-3-5 External Sensor Error (Error Code: E221, E231, E251, E320) ·················································· 4-12
4-3-6 E403 : Freezing control causes comp. down ··············································································· 4-13
4-3-7 E416 : Dischage temperature sensor error ··················································································· 4-14
4-3-8 E440, E441 : Abnormal outside temperature halts operation of the compressor ······· 4-15
4-3-9 Outdoor unit BLDC Fan1 or Fan2 error (E458 : Fan1 error, E475 : Fan2 error) ··············· 4-16
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