Fujitsu ASU30RLE Service Instruction page 39

2-1-3 OUTDOOR UNIT DISPLAY
You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part
Check that the "ERROR" LED blinks, then press the [Enter] button once.
For details, refer to the following table.
Error Contents
Serial Communication Error
Indoor Unit Error
Outdoor unit main PCB model information error
Inverter Error
IPM Error
Discharge Thermistor Error
Compressor Thermistor Error
Heat Ex. middle temp. sensor Error
Heat Ex. liquid temp. sensor Errorr
Outdoor Thermistor Error
Heat Sink Temp. Sensor Error
Current sensor Error
Pressure sensor Error
Trip detection Error
Compressor Control Error
Outdoor Unit Fan Motor 1 Error
Outdoor Unit Fan Motor 2 Error
4-way Valve Error
Discharge Temp. Error
Compressor Temp. Error
Low Pressure Error
Display when an error occurs.
POWER/
MODE
Sign "
(1) Check that the "ERROR" LED blinks, then press the "ENTER" button once.
(2) For details, refer to the following table.
○
: : L g i t h O F F : Light ON
LED DISPLAY
PUMP
POWER
DOWN
ERROR
MODE
(L1)
1
2
1
2
2
5
6
2
6
2
2 6
7
2
2 7
7
2
2 7
2 7
2 7
8
2
2 8
2 9
2 9
2 9
2 9
2
9
2 1 0
2
1 0
2
1 0
02-03
PUMP
DOWN
ERROR
(L1) (L2)
● Blink ○ ○
(Hi speed)
○ ●
": Lights off, " ": Lights on
2 : 2Times Blinking
PEAK
LOW
CUT
NOISE
(L2) (L3) (L4) (L5)
○ ○
1
○ ○
1
○ ○ ○
1 5
○ ○ ○
2
○ ○ ○
3
○ ○
5
○ ○ ○
1
○ ○ ○
2
○ ○
3
○ ○
3
○ ○ ○
4
○ ○ ○
7
○ ○ ○
4
○
6
○
○ ○
4
○
○ ○
5
○ ○
7
○ ○
8
○ ○ ○
9
○ ○ ○
1
○ ○ ○
3
○ ○ ○
5
LOW PEAK
NOISE CUT
(L3) (L4) (L5) (L6)
○ ○ ○ ○
1 ~ 15 : 1~ 15 Times Blinking
Trouble
shooting
(L6)
2
○
1, 3 ,6 - 8
10 - 13
14
15
17
18
19
○
20
21
22
23
24
○
25
26
27
28
29
30
31
32
33