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Does it indicate Normal operation?
(Refer to Operation not trouble)
Check operation condition
Address set up of indoor and outdoor correct?
Is the transmission line connected?
(Refer to Trouble shooting 51)
Check setting up and
connection
Is the Main unit installation stable?
Is there anything obstructing the fan rotation?
(Refer to Trouble shooting 53)
Check Indoor unit
Noise during the
operation is noticeable
Is LED indicating error?
(Refer to Trouble shooting 13~48)
Diagnose by
Outdoor unit LED
Is the main cabinet broken?
Does drain water come out of drain hose?
(Refer to Trouble shooting 54)
Check Drain route
Water leakage from
Indoor unit
Is the Main unit installation stable?
Is there anything obstructing the fan rotation?
(Refer to Trouble shooting 53)
Check Outdoor unit
Isn’t air Filter of Indoor unit dirty?
Are Indoor / Outdoor heat exchanger clogged?
(Refer to Trouble shooting 52)
Check condition of
equipment
Is the unit capacity fitting to the size of the room?
Is the remote set up (temp./fan) correct?
(Refer to installation Manual and D&T Manual)
Check User environment
It is operating but no
cooling or no heating
Details
Check method
Symptom
Is LED indicating error?
(Refer to Trouble shooting 1~12)
Diagnose by
Indoor unit LED
Is this model possible to connect the subject
indoor unit, outdoor unit, and remote control?
(Refer to Installation Manual, D&T Manual)
Check system
Is LED indicating error?
(Refer to Trouble shooting 1~12)
Diagnose by
Indoor unit LED
Is LED indicating error?
(Refer to Trouble shooting 13~48)
Diagnose by
Outdoor unit LED
Isn’t the breaker down?
(Refer to Trouble shooting 49, 50)
Check power supply
Does not operate
06-08
6-3 TROUBLE SHOOTING
6-3-1 How to Trouble Shoot From the Symptom
Summary of Contents for AB*A12
Page 6: ...1 TEST RUN ...
Page 13: ...2 FUNCTION OF PRINTED CIRCUIT BOARD ...
Page 58: ...3 INVERTER CONTROL ...
Page 62: ...4 OUTDOOR UNIT OPERATION CONTROL ...
Page 74: ...5 INDOOR UNIT OPERATION ...
Page 90: ...6 TROUBLE SHOOTING ...
Page 199: ...7 APPENDING DATA UNIT ...
Page 208: ...07 09 MODELS AU A20 AU A25 AU A30 ...
Page 209: ...07 10 MODELS AU A36 AU A45 AU A54 ...
Page 210: ...07 11 COMPACT DUCT TYPE MODELS ARXB07 ARXB09 ARXB12 ARXB14 ARXB18 ...
Page 211: ...07 12 MODEL ARXB25 MODELS ARXB30 ARXB36 ARXB45 LOW STATIC PRESSURE DUCT TYPE ...
Page 212: ...07 13 MODELS ARXA30 ARXA36 ARXA45 MODEL ARXA25 DUCT TYPE ...
Page 213: ...07 14 MODELS ARXC36 ARXC45 ARXC60 HIGH STATIC PRESSURE DUCT TYPE ...
Page 214: ...07 15 MODEL ARXC90 ...
Page 215: ...07 16 FLOOR CEILING TYPE MODELS AB A12 AB A14 AB A18 AB A24 ...
Page 216: ...07 17 CEILING TYPE MODELS AB A30 AB A36 AB A45 AB A54 ...
Page 217: ...07 18 COMPACT WALL MOUNTED TYPE Comfort model MODELS AS E07 AS E09 AS E12 AS E14 ...
Page 218: ...07 19 WALL MOUNTED TYPE MODELS AS A18 AS A24 AS A30 ...
Page 219: ...07 20 CEILING WALL TYPE MODELS AW A07 AW A09 AW A12 AW A14 AW A18 AW A24 AW A30 ...
Page 220: ...07 21 7 3 2 Outdoor Unit MODELS AJ A72LBTF AJ A90LBTF ...
Page 221: ...07 22 MODEL AJ 126LBTF ...
Page 222: ...07 23 MODELS AJ A72UBTF AJ A90UBTF ...
Page 223: ...07 24 MODEL AJ 126UBTF ...
Page 230: ...8 DISASSEMBLY ILLUSTRATION PARTS LIST ...
Page 232: ...Model AJ 126LBTF 104 111 100 101 107 112 103 105 102 110 106 08 02 ...
Page 233: ...Model AJ 126LBTF 151 150 155 156 154 152 161 158 157 160 159 153 08 03 ...
Page 238: ...Model AJ 126UBTF 100 101 107 105 102 110 106 08 08 104 111 112 ...
Page 243: ...Model AJ A90LBTF 104 111 100 101 107 112 103 105 102 110 106 AJ A72LBTF 08 13 ...
Page 244: ...151 150 155 156 154 152 161 158 157 160 159 153 08 14 Model AJ A90LBTF AJ A72LBTF ...
Page 249: ...Model AJ A90UBTF 100 101 107 105 102 110 106 AJ A72UBTF 08 19 104 111 112 ...
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