Fujitsu Air Conditioning Wall Mounted Single Splits ASY,
ASYA, AWYZ, ASYB with IR remote control
Service
Lights On Front Of Unit
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Red
Light
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Green
Light
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Operation
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Timer
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Off
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2
Flashes
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Reverse
Comms Fail at Startup
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Off
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3
Flashes
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Reverse
Comms Fail In Use
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Off
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4
Flashes
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Forward
Comms Fail at Startup
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Off
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5
Flashes
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Forward
Comms Fail In Use
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Off
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8
Flashes
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Wired
Remote Control Failure
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2
Flashes
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2
Flashes
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Indoor
Air Sensor Fail
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2
Flashes
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3
Flashes
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Indoor
Pipe Sensor Fail
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2
Flashes
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4
Flashes
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Indoor
heat exchanger sensor error
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2
Flashes
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6
Flashes
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Float
switch operated
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3
Flashes
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2
Flashes
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Outdoor
Disch Sensor Fail
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3
Flashes
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3
Flashes
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Outdoor
Pipe Sensor Fail
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3
Flashes
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4
Flashes
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Outdoor
Air Sensor Fail
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3
Flashes
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7
Flashes
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Heatsink
Sensor Error
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3
Flashes
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8
Flashes
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Compressor
Temp Sensor Fail
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4
Flashes
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2
Flashes
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Forced
Auto Switch Welded
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4
Flashes
|
3
Flashes
|
Main
Relay Welded
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4
Flashes
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4
Flashes
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Power
Failure
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4
Flashes
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7
Flashes
|
VDD
Permanent Stop Protection
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4
Flashes
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8
Flashes
|
Reverse
VDD Permanent Stop
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5
Flashes
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2
Flashes
|
IPM
Protection
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5
Flashes
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3
Flashes
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CT
Abnormal
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5
Flashes
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5
Flashes
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Compressor
Failure
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5
Flashes
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6
Flashes
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Outdoor
Fan Failure
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6
Flashes
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2
Flashes
|
Indoor
Fan Motor Locked
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6
Flashes
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3
Flashes
|
Indoor
Fan Motor Rotation Error
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7
Flashes
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2
Flashes
|
High
Discharge Temperature
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7
Flashes
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3
Flashes
|
High
Pressure
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7
Flashes
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4
Flashes
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4-Way
valve abnormal
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7
Flashes
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5
Flashes
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Pressure
Switch Fail
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7
Flashes
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6
Flashes
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Compressor
Temperature error
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8
Flashes
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2
Flashes
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Active
Filter AFM Fail 1st Time
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8
Flashes
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3
Flashes
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Active
Filter AFM Fail 2nd Time
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8
Flashes
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4
Flashes
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PFC
Circuit Error
|
Blinking
|
Blinking
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PCB
Failure
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Wireless IR Controlled
Indoor Units AUY, ABY, AGY, AWY, AOY Multi Splits, excludes J Series or VRF
Red
Light
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Green
|
Yellow
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Operation
|
Light
Timer
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Light
Swing
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On
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Normal
No Fault
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||
On
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Slow
Blink
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Slow
Blink
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Test
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Blinks
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Blinks
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Off
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Indoor
PCB Fail
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Blinks
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Blinks
|
Blinks
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Outdoor
PCB Fail
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Blinks
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2
Pulses
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Off
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Outdoor
Power Connection Failure
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Blinks
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3
Pulses
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Off
|
Outdoor
Unit Pipe Sensor Fail
|
Blinks
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4
Pulses
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Off
|
Outdoor
Unit Air Sensor Fail
|
Blinks
|
4
Pulses
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Blinks
|
Outdoor
Unit Air Sensor Short
|
Blinks
|
5
Pulses
|
Off
|
Outdoor
Unit Discharge Sensor Fail
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Blinks
|
5
Pulses
|
Blinks
|
Outdoor
Unit Discharge Sensor Short
|
Blinks
|
6
Pulses
|
Off
|
High
Pressure
|
Blinks
|
7
Pulses
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Off
|
High
Discharge or Compressor Temp
|
Blinks
|
9
Pulses
|
Off
|
Outdoor
Unit Compressor Temp Sensor
|
Blinks
|
10
Pulses
|
Off
|
IPM
Error
|
Blinks
|
11
Pulses
|
Off
|
CT
Error
|
Blinks
|
12
Pulses
|
Off
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AFM
Filter Error
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Blinks
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13
Pulses
|
Off
|
Compressor
Error
|
Blinks
|
14
Pulses
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Off
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Outdoor
Fan Motor Fail
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2
Pulses
|
Blinks
|
Off
|
Air
Sensor Open
|
2
Pulses
|
Blinks
|
Blinks
|
Air
Sensor Closed
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3
Pulses
|
Blinks
|
Off
|
Pipe
Sensor Open
|
3
Pulses
|
Blinks
|
Blinks
|
Pipe
Sensor Closed
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4
Pulses
|
Blinks
|
Off
|
Drain
Problem
|
5
Pulses
|
Blinks
|
Off
|
Communication
Error
|
5
Pulses
|
Blinks
|
Blinks
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Outdoor
PCB or Wiring Error
|
6
Pulses
|
Blinks
|
Off
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Indoor
Fan Failure
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Other Wall Mounted Multi
Unit Models
Display By Lights Sequence
|
Interrogation by Pressing Test Button on Infra
Red Remote Control
|
||||
Red
|
Green
|
Fault
|
Red
|
Green
|
Fault
|
2 Flashes
|
Blinks
|
ID Sensor Failure
|
Blinks
|
2 Flashes
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Indoor Air Sensor
|
2 Flashes
|
Blinks
|
ID Sensor Failure
|
Blinks
|
3 Flashes
|
Indoor Pipe Sensor
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4 Flashes
|
Blinks
|
ID Control Error
|
Blinks
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2 Flashes
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Manual Auto Button Error
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4 Flashes
|
Blinks
|
ID Control Error
|
Blinks
|
4 Flashes
|
Power Source Error
|
5 Flashes
|
Blinks
|
Comms Failure
|
Blinks
|
2 Flashes
|
Reverse Comms Failure
|
5 Flashes
|
Blinks
|
Comms Failure
|
Blinks
|
3 Flashes
|
Forward Comms Failure
|
6 Flashes
|
Blinks
|
ID Fan Failure
|
Blinks
|
2 Flashes
|
Motor locked
|
6 Flashes
|
Blinks
|
ID Fan Failure
|
Blinks
|
3 Flashes
|
Motor RPM Incorrect
|
Blinks
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2 Flashes
|
OD Thermistor Fail
|
2 Flashes
|
Blinks
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Outdoor Discharge Sensor Fail
|
Blinks
|
2 Flashes
|
OD Thermistor Fail
|
4 Flashes
|
Blinks
|
Outdoor Pipe Sensor Fail
|
Blinks
|
2 Flashes
|
OD Thermistor Fail
|
6 Flashes
|
Blinks
|
Outdoor Air Sensor Fail
|
Blinks
|
2 Flashes
|
OD Thermistor Fail
|
8 Flashes
|
Blinks
|
Compressor Temp Sensor Fail
|
Blinks
|
2 Flashes
|
OD Thermistor Fail
|
9 Flashes
|
Blinks
|
2 Way Valve Sensor Fail
|
Blinks
|
2 Flashes
|
OD Thermistor Fail
|
10 Flashes
|
Blinks
|
3 Way Valve Sensor Fail
|
Blinks
|
3 Flashes
|
Pressure Switch
|
2 Flashes
|
Blinks
|
Pressure Switch Out
|
Blinks
|
4 Flashes
|
ID Units Incorrect
|
2 Flashes
|
Blinks
|
Incorrect Indoor Unit Index
|
Blinks
|
5 Flashes
|
Inverter Failure
|
2 Flashes
|
Blinks
|
IPM Failure
|
Blinks
|
5 Flashes
|
Inverter Failure
|
5 Flashes
|
Blinks
|
Compressor Failure
|
Code on Remote Control
|
Fault
|
Diagnosis
|
E:0
|
I/U - R/C Communication
|
Check Remote control wiring or Interference
|
E:01
|
I/U - O/U Communication
|
Check intercommunication wiring or
Interference
|
E:02
|
Room Sensor Open
|
Sensor Missing
|
E:03
|
Room Sensor Short
|
Sensor Faulty
|
E:04
|
I/U Pipe Sensor Open
|
Sensor Missing
|
E:05
|
I/U Pipe Sensor Short
|
Sensor Faulty
|
E:06
|
O/U Pipe Sensor Open
|
Sensor Missing
|
E:07
|
O/U Pipe Sensor Short
|
Sensor Faulty
|
E:08
|
Power Source Error
|
Incorrect Power Supply
|
E:09
|
Float Switch
|
Check Drain Outlet, High Water Level
|
E:0A
|
O/U Air Sensor Open
|
Sensor Missing
|
E:0C
|
Discharge Sensor Open
|
Sensor Missing
|
E:0D
|
Discharge Sensor Short
|
Sensor Faulty / low refrigerant
|
E:0F
|
High Discharge Temp
|
Contamination In Pipe work / valves closed
|
Gas Shortage
|
||
E:11
|
Model Abnormal
|
Check PCB compatibility
|
E:12
|
Indoor Fan Failure
|
Check Fan and Motor
|
E:13
|
O/D Signal Abnormal
|
Communications
|
E:14
|
Outdoor PCB Fail
|
Outdoor PCB Failure
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