Trouble shooting 2
INDOOR UNIT
INDOOR UNIT
Error Method:
Error Method:
SERIAL SIGNAL ABNORMAL
Indicate or Display:
Indicate or Display:
Indoor Unit :
Operation LED
Flash
Flash
,
,
Timer LED
5
5
Times Blink
Times Blink
Swing LED
1
1
Times Blink
Times Blink
Outdoor Unit :
LED1
Flash,
LED6
1 8TIMES Blink (Indoor Unit address)
ERROR CODE : E:1F
Detective Actuators:
Detective Actuators:
Circuitry in indoor unit Control PCB
Detective details:
Detective details:
When the control information from the indoor unit that is recognized by
outdoor unit could not be received more than 20 seconds, LED indicates
abnormal condition.
Forecast of Cause
Forecast of Cause : If only certain indoor unit shows abnormal indication.
If all system shows abnormal indication.
1) Connection Cable
1) Connection Cable
2) Check signal PCB
2) Check signal PCB
3) Check Electrical Component of Indoor Unit
3) Check Outdoor unit
4) Check Power Supply
4) Check Power Supply
Check Point 1 : Check Connection cable
Check Point 1 : Check Connection cable
Check if the restarts by turning ON the power again.
Check connection cable
1) Check Loose screw / Removed Cable on Terminal
2) Check the connection of terminal connection of
L, N, 3 to Control PCB
Check Point 2 : Check Signal PCB
Check Point 2 : Check Signal PCB
Check connection (connector) of Signal PCB to
terminal connection.
Check FUSE F201 Signal PCB
If fuse F201 is open, check any incorrect wiring of
connection cable,and replace the FUSE.
If only certain indoor unit shows abnormal indication
.
Check Point 1 : Check Connection cable
Check Point 1 : Check Connection cable
Check if the restarts by turning ON the power again.
Check connection cable
1) Check Loose screw / Removed Cable on Terminal
2) Check the connection of terminal connection of
L, N, 3 to Control PCB
If all system shows abnormal indication.
Check Point 3 : Check Outdoor unit
Check Point 3 : Check Outdoor unit
Refer to Trouble shooting 30
NETWORK COMMUNICATION ABNORMAL
Check Point 3 :
Check Point 3 :
Check Indoor unit electrical parts
Check Indoor unit electrical parts
Check all connector’s connection, removal, incorrect
wiring.
Check if any shorted mark or corrosion on PCB
If detective portion is uncertain, replace Control
PCB, set up the original address and Check the operation.
Check Point 4 : Check Power supply
Check Point 4 : Check Power supply
Check external cause (Power supply)
Instant Drop
Check if there is an electric equipment with a large load in the same circuit.
Instant Power Outage
Check if there is a defective contact or leakage in the power supply.
Noise
Check if there is any equipment that cause the harmonic wave near the power line.
(Neon tube or Electric equipment that harmonic wave Check that the grounding is completely insulated.)
Check Point 2 : Check Signal PCB
Check Point 2 : Check Signal PCB
Check connection (connector) of Signal PCB to
terminal connection.
Check FUSE F201 Signal PCB
If fuse F201 is open, check any incorrect wiring of
connection cable,and replace the FUSE.
06-07
Содержание AO54FJ
Страница 5: ...1 TEST RUN TM SERIES R410A ...
Страница 14: ...2 FUNCTION OF PRINTED CIRCUIT BOARD TM SERIES R410A ...
Страница 39: ...3 INVERTER CONTROL TM SERIES R410A ...
Страница 45: ...4 OUTDOOR UNIT OPERATION CONTROL TM SERIES R410A ...
Страница 54: ...5 INDOOR UNIT OPERATION TM SERIES R410A ...
Страница 70: ...6 TROUBLE SHOOTING TM SERIES R410A ...
Страница 128: ...7 INSTALLATION TM SERIES R410A ...
Страница 140: ...8 REFRIGERANT CAUTION R410A TM SERIES R410A ...
Страница 149: ...9 APPENDING DATA1 UNIT TM SERIES R410A ...
Страница 155: ...COMPACT DUCT TYPE MODELS AR7 AR9 AR12 AR14 AR18 AR22 9 3 WIRING DIAGRAM 9 3 1 INDOOR UNIT 09 06 ...
Страница 156: ...LOW STATIC PRESSURE DUCT TYPE MODELS AR25 AR30 ARXB25 ARXB30 09 07 ...
Страница 157: ...MODELS AR36 AR45 09 08 ...
Страница 158: ...COMPACT CASSETTE TYPE MODELS AU7 AU9 AU12 AU14 AU18 09 09 ...
Страница 159: ...CASSETTE TYPE MODELS AU20 AU25 AU30 09 10 ...
Страница 160: ...MODELS AU36 AU45 AU54 09 11 ...
Страница 161: ...COMPACT WALL MOUNTED TYPE MODELS AS7 AS9 AS12 AS14 09 12 ...
Страница 162: ...WALL MOUNTED TYPE MODELS AS18 AS24 AS30 09 13 ...
Страница 163: ...HEAT PUMP TYPE MODEL AO54UJ 9 3 2 OUTDOOR UNIT 09 14 ...
Страница 164: ...COOLING ONLY TYPE MODEL AO54FJ 09 15 ...