
2 Samsung Electronics
Contents
8. PCB Diagram ·································································································· 8-1
9. Operating Instructions·················································································· 9-1
9-1 Name of Each Part ············································································································································ 9-1
9-2 Wireless Remote Control-Buttons and Display······················································································ 9-3
11. Block Diagram ····························································································· 11-1
11-1 Indoor unit························································································································································ 11-1
11-2 Outdoor unit ···················································································································································· 11-2
12. Reference Sheet··························································································· 12-1
12-1 Low Refrigerant Pressure Distribution ··································································································· 12-1
12-2 Pressure & Capacity mark···························································································································· 12-1
12-3 Q & A for Non-trouble ·································································································································· 12-2
12-4 Cleaning /Filter Change······························································································································· 12-5
12-5 Installation ························································································································································ 12-6
12-6 Installation Diagram of Indoor Unit and Outdoor Unit ··································································· 12-7
8-5 SUB PCB-Receive - DB92-02874A
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8-6 Wire connectiong the indoorunit terminal blocks ·············································································
12-7 Reference sheet ············································································································································ 12-9
10. Troubleshooting ··························································································10-1
10-1 Items to be checkedFirst······························································································································· 10-1
10-2 Communication Error····································································································································· 10-2
10-2-1 Communication Error ······························································································································· 10-2
10-2-2 Indoor temperature sensor Error
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·································· 10-3
10-2-3 Indoor fan motor speed detecting error (BLDC fan) ······························ 10-4
10-2-4 Outdoor temperature sensor error
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·································· 10-5
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10-2-5 Outdoor Cond temperature sensor error
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·································· 10-6
10-2-6 Outdoor Discharge temperature sensor error ······························ 10-7
10-2-7 Operation condition secession error
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·································· 10-8
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10-2-8 EEPROM error/OTP error
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·································· 10-9
10-2-9 Outdoor Fan motor error
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·································· 10-10
10-2-10 Compressor starting error ······························ 10-11
10-2-11 Compressor wire missing error/rotation error
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·································· 10-12
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10-2-12 Current sensor error/Input current sensor error
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·································· 10-13
10-2-13 O.C(Over Current) error
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·································· 10-14
10-2-14 No power outdoor (Initial Diagnosis) (Not displayed) 10-16
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10-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate (Initial Diagnosis)
(Not displayed) ······························ 10-17
10-2-16 When the remote control is not receiving 10-18
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10-2-17 Smart Install error
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·································· 10-19
8-1 INDOOR MAIN PCB CODE DB92-04101B······························································································ 8-1
8-2 INDOOR MAIN PCB CODE DB92-04029D····························································································· 8-2
8-4 INDOOR DISPLAY PBA CODE DB92-04106A
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8-4
8-5
8-6
10-2-18 Outdoor OLP over temperature error (One way Inverter Only)
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10-20
8-3 INDOOR MAIN PCB CODE DB92-04025C····························································································· 8-3