Trouble shooting 45
OUTDOOR UNIT Error Method:
Network Communication Error
(Only for Main Unit)
Indicate or Display:
Outdoor Unit : LED1 Flash, LED5
9 Times Blink
Indoor Unit : Operation LED Flash
,
Timer LED 3 Times Blink
Swing LED 3 Times Blink
ERROR CODE : E : 32
Detective Actuators:
Outdoor Unit Controller PCB circuit
Detective details:
When the network signal from the indoor unit that has a receipt record was not
received longer than 5 minutes. (Indoor Unit does not display Error)
Or, when the network signals from all the Indoor Units were not received for
more than 5 minutes.
Check Point 2 : Check outside cause (Voltage drop or Noise)
p
Instant voltage drop ------ Check if there is any electric equipment with a large load within the same circuit.
p
Momentary power failure ----- Check contact failure or leak current in power supply circuit
>> Check Indoor Unit as well.
p
Check if there is any equipment that causes harmonic wave near the power cable (Neon light bulb or any electronic
equipment which causes harmonic wave). And check the complete insulation of grounding.
>> If the same symptom does not reappear after resetting the power, possibility of noise is high.
Check Point 1 : Check connections
Turn off the power and check/correct followings
p
Isn’t Outdoor Unit Transmission PCB connection loose?
p
Check loose or removed communication line between Indoor Unit
and Outdoor Unit.
p
Make sure Controller PCB for Main Unit has Terminator (CN22).
Check Point 3 : Check Transmission PCB and Controller PCB
p
When a signal from some Indoor Unit could not be received, check the connection of its Indoor Unit’s Transmission
PCB. (Refer to Trouble Shooting 12)
>> If the symptom does not change, replace Indoor Unit Transmission PCB. (If it still does not improve, replace
Controller PCB.
p
When the signal from all the Indoor Units could not be received, replace Outdoor Unit Transmission PCB.
>> If the symptom does not change, replace Outdoor Unit Controller PCB.
Outdoor Unit Schematic (CN22:TERMINATOR)
Note : Terminator
Terminator is a resistance that prevents the
reflection of the signal at the end terminal of
the circuit which causes abnormal data
transmission when connecting multiple
devices with 1 piece of cable.
OK
OK
Forecast of Cause :
1. Connection failure 2. Outside cause 3. Transmission PCB failure 4. Controller PCB failure
06-55
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: ......