Trouble shooting 53
No Operation (Power is ON)
Check Point 2 :Check outside cause at Indoor and Outdoor (Voltage drop or Noise)
Check Point 1 : Check indoor and outdoor installation condition
Check Point 3 : Check Electrical Components at Indoor and Outdoor
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Check Voltage between CN17 of Controller PCB (Power supply to Remote Control).
>> If it is DC12V, Remote Control is defective (Controller PCB is normal) >> Replace Remote Control
>> If it is DC 0V, Controller PCB is defective (Check Remote Control once again) >> Replace Controller PCB
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If some of Indoor unit does not operate, replace the Transmission PCB of the non-operative Indoor Unit.
>> If the symptom does not change, replace Controller PCB of Indoor Unit.
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If all of Indoor Units do not operate, check the connection between Controller PCB and Transmission PCB of Outdoor Unit (Main Unit).
>> If the symptom does not change, replace Transmission PCB of O utdoor Unit (Main Unit).
(If it did not work, replace Controller PCB.)
Turn off Power and check/correct followings.
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Isn’t Transmission PCB of Indoor Unit removed?
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Is there loose or removed communication line of Indoor Unit and Outdoor Unit?
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Check Terminator (CN22) is installed on Outdoor Controller PCB.
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Check loose or removed communication line between each Outdoor Unit.
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Check loose Transmission PCB of each Outdoor Unit.
OK
OK
OK
DC
Forecast of Cause :
1. Setting/Connection failure 2. Outside cause
3. Electrical Component defective
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Indoor Unit - Check incorrect wiring between Indoor Unit - Remote Control, or terminals between Indoor Units.
Or, check if there is an open cable connection.
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Check address setting (Are all the address of Indoor and Outdoor correct?)
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Are these Indoor Unit, Outdoor Unit, and Remote Control suitable model numbers to connect?
>> If there is some abnormal condition, correct it by referring to Installation manual and Data & Technical Manual.
Instant drop ----- Check if there is a large load electric apparatus in the same circuit.
Momentary power failure ----- Check if there is a defective contact or leak current in the power supply circuit.
Noise ----- Check if there is any equipment causing harmonic wave near elec tric line (Neon bulb or electric equipment that may cause
harmonic wave).
Check the complete insulation of grounding.
06-62
Содержание AB*A12
Страница 6: ...1 TEST RUN ...
Страница 13: ...2 FUNCTION OF PRINTED CIRCUIT BOARD ...
Страница 58: ...3 INVERTER CONTROL ...
Страница 62: ...4 OUTDOOR UNIT OPERATION CONTROL ...
Страница 74: ...5 INDOOR UNIT OPERATION ...
Страница 90: ...6 TROUBLE SHOOTING ...
Страница 199: ...7 APPENDING DATA UNIT ...
Страница 207: ...7 3 WIRING DIAGRAM 07 08 7 3 1 Indoor Unit COMPACT CASSETTE TYPE MODELS AUXB07 AUXB09 AUXB12 AUXB14 AUXB18 ...
Страница 208: ...07 09 MODELS AU A20 AU A25 AU A30 ...
Страница 209: ...07 10 MODELS AU A36 AU A45 AU A54 ...
Страница 210: ...07 11 COMPACT DUCT TYPE MODELS ARXB07 ARXB09 ARXB12 ARXB14 ARXB18 ...
Страница 211: ...07 12 MODEL ARXB25 MODELS ARXB30 ARXB36 ARXB45 LOW STATIC PRESSURE DUCT TYPE ...
Страница 212: ...07 13 MODELS ARXA30 ARXA36 ARXA45 MODEL ARXA25 DUCT TYPE ...
Страница 213: ...07 14 MODELS ARXC36 ARXC45 ARXC60 HIGH STATIC PRESSURE DUCT TYPE ...
Страница 214: ...07 15 MODEL ARXC90 ...
Страница 215: ...07 16 FLOOR CEILING TYPE MODELS AB A12 AB A14 AB A18 AB A24 ...
Страница 216: ...07 17 CEILING TYPE MODELS AB A30 AB A36 AB A45 AB A54 ...
Страница 217: ...07 18 COMPACT WALL MOUNTED TYPE Comfort model MODELS AS E07 AS E09 AS E12 AS E14 ...
Страница 218: ...07 19 WALL MOUNTED TYPE MODELS AS A18 AS A24 AS A30 ...
Страница 219: ...07 20 CEILING WALL TYPE MODELS AW A07 AW A09 AW A12 AW A14 AW A18 AW A24 AW A30 ...
Страница 220: ...07 21 7 3 2 Outdoor Unit MODELS AJ A72LBTF AJ A90LBTF ...
Страница 221: ...07 22 MODEL AJ 126LBTF ...
Страница 222: ...07 23 MODELS AJ A72UBTF AJ A90UBTF ...
Страница 223: ...07 24 MODEL AJ 126UBTF ...
Страница 230: ...8 DISASSEMBLY ILLUSTRATION PARTS LIST ...
Страница 232: ...Model AJ 126LBTF 104 111 100 101 107 112 103 105 102 110 106 08 02 ...
Страница 233: ...Model AJ 126LBTF 151 150 155 156 154 152 161 158 157 160 159 153 08 03 ...
Страница 238: ...Model AJ 126UBTF 100 101 107 105 102 110 106 08 08 104 111 112 ...
Страница 243: ...Model AJ A90LBTF 104 111 100 101 107 112 103 105 102 110 106 AJ A72LBTF 08 13 ...
Страница 244: ...151 150 155 156 154 152 161 158 157 160 159 153 08 14 Model AJ A90LBTF AJ A72LBTF ...
Страница 249: ...Model AJ A90UBTF 100 101 107 105 102 110 106 AJ A72UBTF 08 19 104 111 112 ...
Страница 287: ......
Страница 289: ......